Home / 2,657,139.40-3,985,709.10-974,024.20

Finding the Fourth Proportional to 2,657,139.40, 3,985,709.10 and 974,024.20

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Solution

The fourth proportional to 2,657,139.40, 3,985,709.10 and 974,024.20 is: 1,461,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,139.40 : 3,985,709.10 = 974,024.20 : x
  2. Step 2: Convert to fraction form
    2,657,139.40/3,985,709.10 = 974,024.20/x
  3. Step 3: Cross multiply
    2,657,139.40x = 3,985,709.10 × 974,024.20
  4. Step 4: Simplify right side
    2,657,139.40x = 3,882,177,117,560.22
  5. Step 5: Solve for x
    x = 3,882,177,117,560.22/2,657,139.40
  6. Step 6: Final answer
    x = 1,461,036.30

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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.