Home / 2,309,631.66-3,187,152.90-1,277,077.68

Finding the Fourth Proportional to 2,309,631.66, 3,187,152.90 and 1,277,077.68

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Solution

The fourth proportional to 2,309,631.66, 3,187,152.90 and 1,277,077.68 is: 1,762,290.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,631.66 : 3,187,152.90 = 1,277,077.68 : x
  2. Step 2: Convert to fraction form
    2,309,631.66/3,187,152.90 = 1,277,077.68/x
  3. Step 3: Cross multiply
    2,309,631.66x = 3,187,152.90 × 1,277,077.68
  4. Step 4: Simplify right side
    2,309,631.66x = 4,070,241,831,337.27
  5. Step 5: Solve for x
    x = 4,070,241,831,337.27/2,309,631.66
  6. Step 6: Final answer
    x = 1,762,290.46

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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.