Home / 2,487,389.40-3,732,005.70-992,554.20

Finding the Fourth Proportional to 2,487,389.40, 3,732,005.70 and 992,554.20

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Solution

The fourth proportional to 2,487,389.40, 3,732,005.70 and 992,554.20 is: 1,489,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,389.40 : 3,732,005.70 = 992,554.20 : x
  2. Step 2: Convert to fraction form
    2,487,389.40/3,732,005.70 = 992,554.20/x
  3. Step 3: Cross multiply
    2,487,389.40x = 3,732,005.70 × 992,554.20
  4. Step 4: Simplify right side
    2,487,389.40x = 3,704,217,931,958.94
  5. Step 5: Solve for x
    x = 3,704,217,931,958.94/2,487,389.40
  6. Step 6: Final answer
    x = 1,489,199.05

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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.