Home / 3,478,205.80-5,218,215.90-1,348,359.40

Finding the Fourth Proportional to 3,478,205.80, 5,218,215.90 and 1,348,359.40

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Solution

The fourth proportional to 3,478,205.80, 5,218,215.90 and 1,348,359.40 is: 2,022,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,205.80 : 5,218,215.90 = 1,348,359.40 : x
  2. Step 2: Convert to fraction form
    3,478,205.80/5,218,215.90 = 1,348,359.40/x
  3. Step 3: Cross multiply
    3,478,205.80x = 5,218,215.90 × 1,348,359.40
  4. Step 4: Simplify right side
    3,478,205.80x = 7,036,030,459,994.46
  5. Step 5: Solve for x
    x = 7,036,030,459,994.46/3,478,205.80
  6. Step 6: Final answer
    x = 2,022,890.78

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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.