Home / 3,120,475.39-4,306,172.77-1,743,829.84

Finding the Fourth Proportional to 3,120,475.39, 4,306,172.77 and 1,743,829.84

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Solution

The fourth proportional to 3,120,475.39, 4,306,172.77 and 1,743,829.84 is: 2,406,438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,475.39 : 4,306,172.77 = 1,743,829.84 : x
  2. Step 2: Convert to fraction form
    3,120,475.39/4,306,172.77 = 1,743,829.84/x
  3. Step 3: Cross multiply
    3,120,475.39x = 4,306,172.77 × 1,743,829.84
  4. Step 4: Simplify right side
    3,120,475.39x = 7,509,232,572,521.46
  5. Step 5: Solve for x
    x = 7,509,232,572,521.46/3,120,475.39
  6. Step 6: Final answer
    x = 2,406,438.65

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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.