Home / 3,480,320.30-5,220,729.12-1,456,526.39

Finding the Fourth Proportional to 3,480,320.30, 5,220,729.12 and 1,456,526.39

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Solution

The fourth proportional to 3,480,320.30, 5,220,729.12 and 1,456,526.39 is: 2,184,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480,320.30 : 5,220,729.12 = 1,456,526.39 : x
  2. Step 2: Convert to fraction form
    3,480,320.30/5,220,729.12 = 1,456,526.39/x
  3. Step 3: Cross multiply
    3,480,320.30x = 5,220,729.12 × 1,456,526.39
  4. Step 4: Simplify right side
    3,480,320.30x = 7,604,129,738,321.48
  5. Step 5: Solve for x
    x = 7,604,129,738,321.48/3,480,320.30
  6. Step 6: Final answer
    x = 2,184,893.65

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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.