Home / 2,136,068.76-2,947,279.41-1,264,464.48

Finding the Fourth Proportional to 2,136,068.76, 2,947,279.41 and 1,264,464.48

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Solution

The fourth proportional to 2,136,068.76, 2,947,279.41 and 1,264,464.48 is: 1,744,667.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,068.76 : 2,947,279.41 = 1,264,464.48 : x
  2. Step 2: Convert to fraction form
    2,136,068.76/2,947,279.41 = 1,264,464.48/x
  3. Step 3: Cross multiply
    2,136,068.76x = 2,947,279.41 × 1,264,464.48
  4. Step 4: Simplify right side
    2,136,068.76x = 3,726,730,126,580.36
  5. Step 5: Solve for x
    x = 3,726,730,126,580.36/2,136,068.76
  6. Step 6: Final answer
    x = 1,744,667.68

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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.