Home / 3,157,958.11-4,357,730.74-1,780,860.10

Finding the Fourth Proportional to 3,157,958.11, 4,357,730.74 and 1,780,860.10

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Solution

The fourth proportional to 3,157,958.11, 4,357,730.74 and 1,780,860.10 is: 2,457,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,958.11 : 4,357,730.74 = 1,780,860.10 : x
  2. Step 2: Convert to fraction form
    3,157,958.11/4,357,730.74 = 1,780,860.10/x
  3. Step 3: Cross multiply
    3,157,958.11x = 4,357,730.74 × 1,780,860.10
  4. Step 4: Simplify right side
    3,157,958.11x = 7,760,508,779,620.82
  5. Step 5: Solve for x
    x = 7,760,508,779,620.82/3,157,958.11
  6. Step 6: Final answer
    x = 2,457,445.13

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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.