Home / 1,567,386.46-2,160,990.96-1,015,126.42

Finding the Fourth Proportional to 1,567,386.46, 2,160,990.96 and 1,015,126.42

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Solution

The fourth proportional to 1,567,386.46, 2,160,990.96 and 1,015,126.42 is: 1,399,577.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,386.46 : 2,160,990.96 = 1,015,126.42 : x
  2. Step 2: Convert to fraction form
    1,567,386.46/2,160,990.96 = 1,015,126.42/x
  3. Step 3: Cross multiply
    1,567,386.46x = 2,160,990.96 × 1,015,126.42
  4. Step 4: Simplify right side
    1,567,386.46x = 2,193,679,016,877.16
  5. Step 5: Solve for x
    x = 2,193,679,016,877.16/1,567,386.46
  6. Step 6: Final answer
    x = 1,399,577.62

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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.