Home / 4,631,323.20-6,391,225.80-2,820,487.20

Finding the Fourth Proportional to 4,631,323.20, 6,391,225.80 and 2,820,487.20

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Solution

The fourth proportional to 4,631,323.20, 6,391,225.80 and 2,820,487.20 is: 3,892,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631,323.20 : 6,391,225.80 = 2,820,487.20 : x
  2. Step 2: Convert to fraction form
    4,631,323.20/6,391,225.80 = 2,820,487.20/x
  3. Step 3: Cross multiply
    4,631,323.20x = 6,391,225.80 × 2,820,487.20
  4. Step 4: Simplify right side
    4,631,323.20x = 18,026,370,561,209.76
  5. Step 5: Solve for x
    x = 18,026,370,561,209.76/4,631,323.20
  6. Step 6: Final answer
    x = 3,892,272.20

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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.