Home / 1,609,831.80-2,414,747.70-1,042,961.40

Finding the Fourth Proportional to 1,609,831.80, 2,414,747.70 and 1,042,961.40

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Solution

The fourth proportional to 1,609,831.80, 2,414,747.70 and 1,042,961.40 is: 1,564,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,831.80 : 2,414,747.70 = 1,042,961.40 : x
  2. Step 2: Convert to fraction form
    1,609,831.80/2,414,747.70 = 1,042,961.40/x
  3. Step 3: Cross multiply
    1,609,831.80x = 2,414,747.70 × 1,042,961.40
  4. Step 4: Simplify right side
    1,609,831.80x = 2,518,488,641,838.78
  5. Step 5: Solve for x
    x = 2,518,488,641,838.78/1,609,831.80
  6. Step 6: Final answer
    x = 1,564,442.10

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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.