Home / 3,114,666.90-4,671,125.55-985,403.70

Finding the Fourth Proportional to 3,114,666.90, 4,671,125.55 and 985,403.70

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Solution

The fourth proportional to 3,114,666.90, 4,671,125.55 and 985,403.70 is: 1,477,828.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,666.90 : 4,671,125.55 = 985,403.70 : x
  2. Step 2: Convert to fraction form
    3,114,666.90/4,671,125.55 = 985,403.70/x
  3. Step 3: Cross multiply
    3,114,666.90x = 4,671,125.55 × 985,403.70
  4. Step 4: Simplify right side
    3,114,666.90x = 4,602,944,400,134.53
  5. Step 5: Solve for x
    x = 4,602,944,400,134.53/3,114,666.90
  6. Step 6: Final answer
    x = 1,477,828.78

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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.