Home / 3,220,342.40-4,830,513.60-1,326,454.40

Finding the Fourth Proportional to 3,220,342.40, 4,830,513.60 and 1,326,454.40

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Solution

The fourth proportional to 3,220,342.40, 4,830,513.60 and 1,326,454.40 is: 1,989,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,342.40 : 4,830,513.60 = 1,326,454.40 : x
  2. Step 2: Convert to fraction form
    3,220,342.40/4,830,513.60 = 1,326,454.40/x
  3. Step 3: Cross multiply
    3,220,342.40x = 4,830,513.60 × 1,326,454.40
  4. Step 4: Simplify right side
    3,220,342.40x = 6,407,456,018,979.84
  5. Step 5: Solve for x
    x = 6,407,456,018,979.84/3,220,342.40
  6. Step 6: Final answer
    x = 1,989,681.60

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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.