Home / 1,581,047.10-2,370,241.44-1,280,783.34

Finding the Fourth Proportional to 1,581,047.10, 2,370,241.44 and 1,280,783.34

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Solution

The fourth proportional to 1,581,047.10, 2,370,241.44 and 1,280,783.34 is: 1,920,098.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,047.10 : 2,370,241.44 = 1,280,783.34 : x
  2. Step 2: Convert to fraction form
    1,581,047.10/2,370,241.44 = 1,280,783.34/x
  3. Step 3: Cross multiply
    1,581,047.10x = 2,370,241.44 × 1,280,783.34
  4. Step 4: Simplify right side
    1,581,047.10x = 3,035,765,748,129.61
  5. Step 5: Solve for x
    x = 3,035,765,748,129.61/1,581,047.10
  6. Step 6: Final answer
    x = 1,920,098.24

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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.