Home / 2,078,412.60-3,117,618.90-1,369,241.40

Finding the Fourth Proportional to 2,078,412.60, 3,117,618.90 and 1,369,241.40

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Solution

The fourth proportional to 2,078,412.60, 3,117,618.90 and 1,369,241.40 is: 2,053,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,412.60 : 3,117,618.90 = 1,369,241.40 : x
  2. Step 2: Convert to fraction form
    2,078,412.60/3,117,618.90 = 1,369,241.40/x
  3. Step 3: Cross multiply
    2,078,412.60x = 3,117,618.90 × 1,369,241.40
  4. Step 4: Simplify right side
    2,078,412.60x = 4,268,772,867,302.46
  5. Step 5: Solve for x
    x = 4,268,772,867,302.46/2,078,412.60
  6. Step 6: Final answer
    x = 2,053,862.10

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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.