Home / 2,078,985.40-3,118,478.10-959,241.40

Finding the Fourth Proportional to 2,078,985.40, 3,118,478.10 and 959,241.40

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Solution

The fourth proportional to 2,078,985.40, 3,118,478.10 and 959,241.40 is: 1,438,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,985.40 : 3,118,478.10 = 959,241.40 : x
  2. Step 2: Convert to fraction form
    2,078,985.40/3,118,478.10 = 959,241.40/x
  3. Step 3: Cross multiply
    2,078,985.40x = 3,118,478.10 × 959,241.40
  4. Step 4: Simplify right side
    2,078,985.40x = 2,991,373,298,513.34
  5. Step 5: Solve for x
    x = 2,991,373,298,513.34/2,078,985.40
  6. Step 6: Final answer
    x = 1,438,862.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.