Home / 1,927,581.36-2,891,515.40-579,636.06

Finding the Fourth Proportional to 1,927,581.36, 2,891,515.40 and 579,636.06

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Solution

The fourth proportional to 1,927,581.36, 2,891,515.40 and 579,636.06 is: 869,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,581.36 : 2,891,515.40 = 579,636.06 : x
  2. Step 2: Convert to fraction form
    1,927,581.36/2,891,515.40 = 579,636.06/x
  3. Step 3: Cross multiply
    1,927,581.36x = 2,891,515.40 × 579,636.06
  4. Step 4: Simplify right side
    1,927,581.36x = 1,676,026,593,885.32
  5. Step 5: Solve for x
    x = 1,676,026,593,885.32/1,927,581.36
  6. Step 6: Final answer
    x = 869,497.20

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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.