Home / 1,617,316.17-2,420,925.90-1,191,332.31

Finding the Fourth Proportional to 1,617,316.17, 2,420,925.90 and 1,191,332.31

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Solution

The fourth proportional to 1,617,316.17, 2,420,925.90 and 1,191,332.31 is: 1,783,279.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,316.17 : 2,420,925.90 = 1,191,332.31 : x
  2. Step 2: Convert to fraction form
    1,617,316.17/2,420,925.90 = 1,191,332.31/x
  3. Step 3: Cross multiply
    1,617,316.17x = 2,420,925.90 × 1,191,332.31
  4. Step 4: Simplify right side
    1,617,316.17x = 2,884,127,244,785.83
  5. Step 5: Solve for x
    x = 2,884,127,244,785.83/1,617,316.17
  6. Step 6: Final answer
    x = 1,783,279.79

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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.