Home / 3,009,209.57-4,152,708.76-1,720,077.64

Finding the Fourth Proportional to 3,009,209.57, 4,152,708.76 and 1,720,077.64

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Solution

The fourth proportional to 3,009,209.57, 4,152,708.76 and 1,720,077.64 is: 2,373,706.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009,209.57 : 4,152,708.76 = 1,720,077.64 : x
  2. Step 2: Convert to fraction form
    3,009,209.57/4,152,708.76 = 1,720,077.64/x
  3. Step 3: Cross multiply
    3,009,209.57x = 4,152,708.76 × 1,720,077.64
  4. Step 4: Simplify right side
    3,009,209.57x = 7,142,981,483,508.13
  5. Step 5: Solve for x
    x = 7,142,981,483,508.13/3,009,209.57
  6. Step 6: Final answer
    x = 2,373,706.89

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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.