Home / 1,927,564.48-2,891,490.09-579,619.18

Finding the Fourth Proportional to 1,927,564.48, 2,891,490.09 and 579,619.18

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Solution

The fourth proportional to 1,927,564.48, 2,891,490.09 and 579,619.18 is: 869,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,564.48 : 2,891,490.09 = 579,619.18 : x
  2. Step 2: Convert to fraction form
    1,927,564.48/2,891,490.09 = 579,619.18/x
  3. Step 3: Cross multiply
    1,927,564.48x = 2,891,490.09 × 579,619.18
  4. Step 4: Simplify right side
    1,927,564.48x = 1,675,963,114,943.93
  5. Step 5: Solve for x
    x = 1,675,963,114,943.93/1,927,564.48
  6. Step 6: Final answer
    x = 869,471.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.