Home / 2,426,947.40-3,640,421.10-2,379,708.20

Finding the Fourth Proportional to 2,426,947.40, 3,640,421.10 and 2,379,708.20

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Solution

The fourth proportional to 2,426,947.40, 3,640,421.10 and 2,379,708.20 is: 3,569,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426,947.40 : 3,640,421.10 = 2,379,708.20 : x
  2. Step 2: Convert to fraction form
    2,426,947.40/3,640,421.10 = 2,379,708.20/x
  3. Step 3: Cross multiply
    2,426,947.40x = 3,640,421.10 × 2,379,708.20
  4. Step 4: Simplify right side
    2,426,947.40x = 8,663,139,943,123.02
  5. Step 5: Solve for x
    x = 8,663,139,943,123.02/2,426,947.40
  6. Step 6: Final answer
    x = 3,569,562.30

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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.