Home / 1,972,680.71-2,724,179.51-1,865,209.89

Finding the Fourth Proportional to 1,972,680.71, 2,724,179.51 and 1,865,209.89

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Solution

The fourth proportional to 1,972,680.71, 2,724,179.51 and 1,865,209.89 is: 2,575,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,680.71 : 2,724,179.51 = 1,865,209.89 : x
  2. Step 2: Convert to fraction form
    1,972,680.71/2,724,179.51 = 1,865,209.89/x
  3. Step 3: Cross multiply
    1,972,680.71x = 2,724,179.51 × 1,865,209.89
  4. Step 4: Simplify right side
    1,972,680.71x = 5,081,166,554,861.30
  5. Step 5: Solve for x
    x = 5,081,166,554,861.30/1,972,680.71
  6. Step 6: Final answer
    x = 2,575,767.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.