Home / 2,385,780.86-3,292,411.35-1,298,053.19

Finding the Fourth Proportional to 2,385,780.86, 3,292,411.35 and 1,298,053.19

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Solution

The fourth proportional to 2,385,780.86, 3,292,411.35 and 1,298,053.19 is: 1,791,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385,780.86 : 3,292,411.35 = 1,298,053.19 : x
  2. Step 2: Convert to fraction form
    2,385,780.86/3,292,411.35 = 1,298,053.19/x
  3. Step 3: Cross multiply
    2,385,780.86x = 3,292,411.35 × 1,298,053.19
  4. Step 4: Simplify right side
    2,385,780.86x = 4,273,725,039,197.65
  5. Step 5: Solve for x
    x = 4,273,725,039,197.65/2,385,780.86
  6. Step 6: Final answer
    x = 1,791,331.77

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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.