Home / 1,681,915.40-2,522,873.10-971,577.80

Finding the Fourth Proportional to 1,681,915.40, 2,522,873.10 and 971,577.80

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Solution

The fourth proportional to 1,681,915.40, 2,522,873.10 and 971,577.80 is: 1,457,366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,915.40 : 2,522,873.10 = 971,577.80 : x
  2. Step 2: Convert to fraction form
    1,681,915.40/2,522,873.10 = 971,577.80/x
  3. Step 3: Cross multiply
    1,681,915.40x = 2,522,873.10 × 971,577.80
  4. Step 4: Simplify right side
    1,681,915.40x = 2,451,167,496,177.18
  5. Step 5: Solve for x
    x = 2,451,167,496,177.18/1,681,915.40
  6. Step 6: Final answer
    x = 1,457,366.70

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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.