Home / 3,002,261.16-4,139,001.90-1,899,143.76

Finding the Fourth Proportional to 3,002,261.16, 4,139,001.90 and 1,899,143.76

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Solution

The fourth proportional to 3,002,261.16, 4,139,001.90 and 1,899,143.76 is: 2,618,213.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002,261.16 : 4,139,001.90 = 1,899,143.76 : x
  2. Step 2: Convert to fraction form
    3,002,261.16/4,139,001.90 = 1,899,143.76/x
  3. Step 3: Cross multiply
    3,002,261.16x = 4,139,001.90 × 1,899,143.76
  4. Step 4: Simplify right side
    3,002,261.16x = 7,860,559,631,013.14
  5. Step 5: Solve for x
    x = 7,860,559,631,013.14/3,002,261.16
  6. Step 6: Final answer
    x = 2,618,213.14

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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.