Home / 2,567,809.28-3,543,576-1,421,889.32

Finding the Fourth Proportional to 2,567,809.28, 3,543,576 and 1,421,889.32

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Solution

The fourth proportional to 2,567,809.28, 3,543,576 and 1,421,889.32 is: 1,962,206.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567,809.28 : 3,543,576 = 1,421,889.32 : x
  2. Step 2: Convert to fraction form
    2,567,809.28/3,543,576 = 1,421,889.32/x
  3. Step 3: Cross multiply
    2,567,809.28x = 3,543,576 × 1,421,889.32
  4. Step 4: Simplify right side
    2,567,809.28x = 5,038,572,869,008.32
  5. Step 5: Solve for x
    x = 5,038,572,869,008.32/2,567,809.28
  6. Step 6: Final answer
    x = 1,962,206.82

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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.