Home / 3,314,647.40-4,972,078.01-918,515.12

Finding the Fourth Proportional to 3,314,647.40, 4,972,078.01 and 918,515.12

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Solution

The fourth proportional to 3,314,647.40, 4,972,078.01 and 918,515.12 is: 1,377,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314,647.40 : 4,972,078.01 = 918,515.12 : x
  2. Step 2: Convert to fraction form
    3,314,647.40/4,972,078.01 = 918,515.12/x
  3. Step 3: Cross multiply
    3,314,647.40x = 4,972,078.01 × 918,515.12
  4. Step 4: Simplify right side
    3,314,647.40x = 4,566,928,807,440.41
  5. Step 5: Solve for x
    x = 4,566,928,807,440.41/3,314,647.40
  6. Step 6: Final answer
    x = 1,377,802.30

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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.