Home / 5,072,720.10-7,000,622.01-2,780,977.38

Finding the Fourth Proportional to 5,072,720.10, 7,000,622.01 and 2,780,977.38

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Solution

The fourth proportional to 5,072,720.10, 7,000,622.01 and 2,780,977.38 is: 3,837,895.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072,720.10 : 7,000,622.01 = 2,780,977.38 : x
  2. Step 2: Convert to fraction form
    5,072,720.10/7,000,622.01 = 2,780,977.38/x
  3. Step 3: Cross multiply
    5,072,720.10x = 7,000,622.01 × 2,780,977.38
  4. Step 4: Simplify right side
    5,072,720.10x = 19,468,571,455,740.13
  5. Step 5: Solve for x
    x = 19,468,571,455,740.13/5,072,720.10
  6. Step 6: Final answer
    x = 3,837,895.86

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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.