Home / 2,985,930.60-4,478,895.90-1,637,572.20

Finding the Fourth Proportional to 2,985,930.60, 4,478,895.90 and 1,637,572.20

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Solution

The fourth proportional to 2,985,930.60, 4,478,895.90 and 1,637,572.20 is: 2,456,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,930.60 : 4,478,895.90 = 1,637,572.20 : x
  2. Step 2: Convert to fraction form
    2,985,930.60/4,478,895.90 = 1,637,572.20/x
  3. Step 3: Cross multiply
    2,985,930.60x = 4,478,895.90 × 1,637,572.20
  4. Step 4: Simplify right side
    2,985,930.60x = 7,334,515,412,533.98
  5. Step 5: Solve for x
    x = 7,334,515,412,533.98/2,985,930.60
  6. Step 6: Final answer
    x = 2,456,358.30

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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.