Home / 4,830,961.20-6,666,651.72-2,655,457.80

Finding the Fourth Proportional to 4,830,961.20, 6,666,651.72 and 2,655,457.80

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Solution

The fourth proportional to 4,830,961.20, 6,666,651.72 and 2,655,457.80 is: 3,664,490.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830,961.20 : 6,666,651.72 = 2,655,457.80 : x
  2. Step 2: Convert to fraction form
    4,830,961.20/6,666,651.72 = 2,655,457.80/x
  3. Step 3: Cross multiply
    4,830,961.20x = 6,666,651.72 × 2,655,457.80
  4. Step 4: Simplify right side
    4,830,961.20x = 17,703,012,309,757.41
  5. Step 5: Solve for x
    x = 17,703,012,309,757.41/4,830,961.20
  6. Step 6: Final answer
    x = 3,664,490.68

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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.