Home / 2,309,725.90-3,187,442.28-1,277,303.50

Finding the Fourth Proportional to 2,309,725.90, 3,187,442.28 and 1,277,303.50

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Solution

The fourth proportional to 2,309,725.90, 3,187,442.28 and 1,277,303.50 is: 1,762,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,725.90 : 3,187,442.28 = 1,277,303.50 : x
  2. Step 2: Convert to fraction form
    2,309,725.90/3,187,442.28 = 1,277,303.50/x
  3. Step 3: Cross multiply
    2,309,725.90x = 3,187,442.28 × 1,277,303.50
  4. Step 4: Simplify right side
    2,309,725.90x = 4,071,331,180,291.98
  5. Step 5: Solve for x
    x = 4,071,331,180,291.98/2,309,725.90
  6. Step 6: Final answer
    x = 1,762,690.19

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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.