Home / 1,533,666.47-2,116,468.13-889,468.61

Finding the Fourth Proportional to 1,533,666.47, 2,116,468.13 and 889,468.61

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Solution

The fourth proportional to 1,533,666.47, 2,116,468.13 and 889,468.61 is: 1,227,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,666.47 : 2,116,468.13 = 889,468.61 : x
  2. Step 2: Convert to fraction form
    1,533,666.47/2,116,468.13 = 889,468.61/x
  3. Step 3: Cross multiply
    1,533,666.47x = 2,116,468.13 × 889,468.61
  4. Step 4: Simplify right side
    1,533,666.47x = 1,882,531,965,700.40
  5. Step 5: Solve for x
    x = 1,882,531,965,700.40/1,533,666.47
  6. Step 6: Final answer
    x = 1,227,471.55

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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.