Home / 2,931,048.36-4,396,851.18-909,314.28

Finding the Fourth Proportional to 2,931,048.36, 4,396,851.18 and 909,314.28

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Solution

The fourth proportional to 2,931,048.36, 4,396,851.18 and 909,314.28 is: 1,364,057.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,048.36 : 4,396,851.18 = 909,314.28 : x
  2. Step 2: Convert to fraction form
    2,931,048.36/4,396,851.18 = 909,314.28/x
  3. Step 3: Cross multiply
    2,931,048.36x = 4,396,851.18 × 909,314.28
  4. Step 4: Simplify right side
    2,931,048.36x = 3,998,119,565,008.85
  5. Step 5: Solve for x
    x = 3,998,119,565,008.85/2,931,048.36
  6. Step 6: Final answer
    x = 1,364,057.86

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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.