Home / 2,077,155.80-3,115,442.10-657,355.40

Finding the Fourth Proportional to 2,077,155.80, 3,115,442.10 and 657,355.40

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Solution

The fourth proportional to 2,077,155.80, 3,115,442.10 and 657,355.40 is: 985,940.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,155.80 : 3,115,442.10 = 657,355.40 : x
  2. Step 2: Convert to fraction form
    2,077,155.80/3,115,442.10 = 657,355.40/x
  3. Step 3: Cross multiply
    2,077,155.80x = 3,115,442.10 × 657,355.40
  4. Step 4: Simplify right side
    2,077,155.80x = 2,047,952,687,822.34
  5. Step 5: Solve for x
    x = 2,047,952,687,822.34/2,077,155.80
  6. Step 6: Final answer
    x = 985,940.82

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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.