Home / 1,877,316.30-2,589,963.72-1,224,709.56

Finding the Fourth Proportional to 1,877,316.30, 2,589,963.72 and 1,224,709.56

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Solution

The fourth proportional to 1,877,316.30, 2,589,963.72 and 1,224,709.56 is: 1,689,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,316.30 : 2,589,963.72 = 1,224,709.56 : x
  2. Step 2: Convert to fraction form
    1,877,316.30/2,589,963.72 = 1,224,709.56/x
  3. Step 3: Cross multiply
    1,877,316.30x = 2,589,963.72 × 1,224,709.56
  4. Step 4: Simplify right side
    1,877,316.30x = 3,171,953,327,937.16
  5. Step 5: Solve for x
    x = 3,171,953,327,937.16/1,877,316.30
  6. Step 6: Final answer
    x = 1,689,621.15

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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.