Home / 2,391,140.90-3,587,672.55-971,308.10

Finding the Fourth Proportional to 2,391,140.90, 3,587,672.55 and 971,308.10

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Solution

The fourth proportional to 2,391,140.90, 3,587,672.55 and 971,308.10 is: 1,457,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,140.90 : 3,587,672.55 = 971,308.10 : x
  2. Step 2: Convert to fraction form
    2,391,140.90/3,587,672.55 = 971,308.10/x
  3. Step 3: Cross multiply
    2,391,140.90x = 3,587,672.55 × 971,308.10
  4. Step 4: Simplify right side
    2,391,140.90x = 3,484,735,407,962.66
  5. Step 5: Solve for x
    x = 3,484,735,407,962.66/2,391,140.90
  6. Step 6: Final answer
    x = 1,457,352.60

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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.