Home / 1,666,349.11-2,299,543.02-977,897.91

Finding the Fourth Proportional to 1,666,349.11, 2,299,543.02 and 977,897.91

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Solution

The fourth proportional to 1,666,349.11, 2,299,543.02 and 977,897.91 is: 1,349,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,349.11 : 2,299,543.02 = 977,897.91 : x
  2. Step 2: Convert to fraction form
    1,666,349.11/2,299,543.02 = 977,897.91/x
  3. Step 3: Cross multiply
    1,666,349.11x = 2,299,543.02 × 977,897.91
  4. Step 4: Simplify right side
    1,666,349.11x = 2,248,718,321,836.37
  5. Step 5: Solve for x
    x = 2,248,718,321,836.37/1,666,349.11
  6. Step 6: Final answer
    x = 1,349,488.12

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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.