Home / 2,159,581-2,980,222.02-1,254,221.32

Finding the Fourth Proportional to 2,159,581, 2,980,222.02 and 1,254,221.32

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Solution

The fourth proportional to 2,159,581, 2,980,222.02 and 1,254,221.32 is: 1,730,825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,581 : 2,980,222.02 = 1,254,221.32 : x
  2. Step 2: Convert to fraction form
    2,159,581/2,980,222.02 = 1,254,221.32/x
  3. Step 3: Cross multiply
    2,159,581x = 2,980,222.02 × 1,254,221.32
  4. Step 4: Simplify right side
    2,159,581x = 3,737,857,995,817.47
  5. Step 5: Solve for x
    x = 3,737,857,995,817.47/2,159,581
  6. Step 6: Final answer
    x = 1,730,825.56

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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.