Home / 1,937,408.70-2,904,800.85-990,000.30

Finding the Fourth Proportional to 1,937,408.70, 2,904,800.85 and 990,000.30

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Solution

The fourth proportional to 1,937,408.70, 2,904,800.85 and 990,000.30 is: 1,484,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,408.70 : 2,904,800.85 = 990,000.30 : x
  2. Step 2: Convert to fraction form
    1,937,408.70/2,904,800.85 = 990,000.30/x
  3. Step 3: Cross multiply
    1,937,408.70x = 2,904,800.85 × 990,000.30
  4. Step 4: Simplify right side
    1,937,408.70x = 2,875,753,712,940.26
  5. Step 5: Solve for x
    x = 2,875,753,712,940.26/1,937,408.70
  6. Step 6: Final answer
    x = 1,484,329.93

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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.