Home / 4,013,700.02-5,538,920.52-2,178,157.90

Finding the Fourth Proportional to 4,013,700.02, 5,538,920.52 and 2,178,157.90

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Solution

The fourth proportional to 4,013,700.02, 5,538,920.52 and 2,178,157.90 is: 3,005,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013,700.02 : 5,538,920.52 = 2,178,157.90 : x
  2. Step 2: Convert to fraction form
    4,013,700.02/5,538,920.52 = 2,178,157.90/x
  3. Step 3: Cross multiply
    4,013,700.02x = 5,538,920.52 × 2,178,157.90
  4. Step 4: Simplify right side
    4,013,700.02x = 12,064,643,488,110.11
  5. Step 5: Solve for x
    x = 12,064,643,488,110.11/4,013,700.02
  6. Step 6: Final answer
    x = 3,005,865.77

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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.