Home / 1,838,000.36-2,757,132.36-490,155.90

Finding the Fourth Proportional to 1,838,000.36, 2,757,132.36 and 490,155.90

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Solution

The fourth proportional to 1,838,000.36, 2,757,132.36 and 490,155.90 is: 735,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,000.36 : 2,757,132.36 = 490,155.90 : x
  2. Step 2: Convert to fraction form
    1,838,000.36/2,757,132.36 = 490,155.90/x
  3. Step 3: Cross multiply
    1,838,000.36x = 2,757,132.36 × 490,155.90
  4. Step 4: Simplify right side
    1,838,000.36x = 1,351,424,693,334.92
  5. Step 5: Solve for x
    x = 1,351,424,693,334.92/1,838,000.36
  6. Step 6: Final answer
    x = 735,269.01

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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.