Home / 2,195,659.40-3,292,669.90-865,688.20

Finding the Fourth Proportional to 2,195,659.40, 3,292,669.90 and 865,688.20

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Solution

The fourth proportional to 2,195,659.40, 3,292,669.90 and 865,688.20 is: 1,298,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,659.40 : 3,292,669.90 = 865,688.20 : x
  2. Step 2: Convert to fraction form
    2,195,659.40/3,292,669.90 = 865,688.20/x
  3. Step 3: Cross multiply
    2,195,659.40x = 3,292,669.90 × 865,688.20
  4. Step 4: Simplify right side
    2,195,659.40x = 2,850,425,478,925.18
  5. Step 5: Solve for x
    x = 2,850,425,478,925.18/2,195,659.40
  6. Step 6: Final answer
    x = 1,298,209.31

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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.