Home / 3,218,397.20-4,830,317.40-1,326,496.40

Finding the Fourth Proportional to 3,218,397.20, 4,830,317.40 and 1,326,496.40

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Solution

The fourth proportional to 3,218,397.20, 4,830,317.40 and 1,326,496.40 is: 1,990,866.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,397.20 : 4,830,317.40 = 1,326,496.40 : x
  2. Step 2: Convert to fraction form
    3,218,397.20/4,830,317.40 = 1,326,496.40/x
  3. Step 3: Cross multiply
    3,218,397.20x = 4,830,317.40 × 1,326,496.40
  4. Step 4: Simplify right side
    3,218,397.20x = 6,407,398,641,957.36
  5. Step 5: Solve for x
    x = 6,407,398,641,957.36/3,218,397.20
  6. Step 6: Final answer
    x = 1,990,866.34

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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.