Home / 3,507,168.30-4,839,373.31-2,129,795.70

Finding the Fourth Proportional to 3,507,168.30, 4,839,373.31 and 2,129,795.70

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Solution

The fourth proportional to 3,507,168.30, 4,839,373.31 and 2,129,795.70 is: 2,938,802.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507,168.30 : 4,839,373.31 = 2,129,795.70 : x
  2. Step 2: Convert to fraction form
    3,507,168.30/4,839,373.31 = 2,129,795.70/x
  3. Step 3: Cross multiply
    3,507,168.30x = 4,839,373.31 × 2,129,795.70
  4. Step 4: Simplify right side
    3,507,168.30x = 10,306,876,466,332.77
  5. Step 5: Solve for x
    x = 10,306,876,466,332.77/3,507,168.30
  6. Step 6: Final answer
    x = 2,938,802.93

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1.5x scale

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.