Home / 6,457,203.40-9,667,142.70-3,937,779.40

Finding the Fourth Proportional to 6,457,203.40, 9,667,142.70 and 3,937,779.40

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Solution

The fourth proportional to 6,457,203.40, 9,667,142.70 and 3,937,779.40 is: 5,895,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,203.40 : 9,667,142.70 = 3,937,779.40 : x
  2. Step 2: Convert to fraction form
    6,457,203.40/9,667,142.70 = 3,937,779.40/x
  3. Step 3: Cross multiply
    6,457,203.40x = 9,667,142.70 × 3,937,779.40
  4. Step 4: Simplify right side
    6,457,203.40x = 38,067,075,380,920.38
  5. Step 5: Solve for x
    x = 38,067,075,380,920.38/6,457,203.40
  6. Step 6: Final answer
    x = 5,895,288.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.