Home / 3,319,753.84-4,581,215.40-1,869,467.20

Finding the Fourth Proportional to 3,319,753.84, 4,581,215.40 and 1,869,467.20

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Solution

The fourth proportional to 3,319,753.84, 4,581,215.40 and 1,869,467.20 is: 2,579,839.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,753.84 : 4,581,215.40 = 1,869,467.20 : x
  2. Step 2: Convert to fraction form
    3,319,753.84/4,581,215.40 = 1,869,467.20/x
  3. Step 3: Cross multiply
    3,319,753.84x = 4,581,215.40 × 1,869,467.20
  4. Step 4: Simplify right side
    3,319,753.84x = 8,564,431,926,434.88
  5. Step 5: Solve for x
    x = 8,564,431,926,434.88/3,319,753.84
  6. Step 6: Final answer
    x = 2,579,839.45

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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.