Home / 3,132,341.80-4,698,512.70-1,636,239.40

Finding the Fourth Proportional to 3,132,341.80, 4,698,512.70 and 1,636,239.40

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Solution

The fourth proportional to 3,132,341.80, 4,698,512.70 and 1,636,239.40 is: 2,454,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,341.80 : 4,698,512.70 = 1,636,239.40 : x
  2. Step 2: Convert to fraction form
    3,132,341.80/4,698,512.70 = 1,636,239.40/x
  3. Step 3: Cross multiply
    3,132,341.80x = 4,698,512.70 × 1,636,239.40
  4. Step 4: Simplify right side
    3,132,341.80x = 7,687,891,601,140.38
  5. Step 5: Solve for x
    x = 7,687,891,601,140.38/3,132,341.80
  6. Step 6: Final answer
    x = 2,454,359.10

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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.