Home / 6,191,661.32-9,287,948.69-1,642,609.40

Finding the Fourth Proportional to 6,191,661.32, 9,287,948.69 and 1,642,609.40

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Solution

The fourth proportional to 6,191,661.32, 9,287,948.69 and 1,642,609.40 is: 2,464,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191,661.32 : 9,287,948.69 = 1,642,609.40 : x
  2. Step 2: Convert to fraction form
    6,191,661.32/9,287,948.69 = 1,642,609.40/x
  3. Step 3: Cross multiply
    6,191,661.32x = 9,287,948.69 × 1,642,609.40
  4. Step 4: Simplify right side
    6,191,661.32x = 15,256,471,791,968.11
  5. Step 5: Solve for x
    x = 15,256,471,791,968.11/6,191,661.32
  6. Step 6: Final answer
    x = 2,464,035.26

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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.