Home / 1,586,982.17-2,190,705.52-1,071,434.12

Finding the Fourth Proportional to 1,586,982.17, 2,190,705.52 and 1,071,434.12

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Solution

The fourth proportional to 1,586,982.17, 2,190,705.52 and 1,071,434.12 is: 1,479,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,982.17 : 2,190,705.52 = 1,071,434.12 : x
  2. Step 2: Convert to fraction form
    1,586,982.17/2,190,705.52 = 1,071,434.12/x
  3. Step 3: Cross multiply
    1,586,982.17x = 2,190,705.52 × 1,071,434.12
  4. Step 4: Simplify right side
    1,586,982.17x = 2,347,196,635,643.17
  5. Step 5: Solve for x
    x = 2,347,196,635,643.17/1,586,982.17
  6. Step 6: Final answer
    x = 1,479,031.51

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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.