Home / 2,804,275.20-4,206,412.80-911,078.40

Finding the Fourth Proportional to 2,804,275.20, 4,206,412.80 and 911,078.40

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Solution

The fourth proportional to 2,804,275.20, 4,206,412.80 and 911,078.40 is: 1,366,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804,275.20 : 4,206,412.80 = 911,078.40 : x
  2. Step 2: Convert to fraction form
    2,804,275.20/4,206,412.80 = 911,078.40/x
  3. Step 3: Cross multiply
    2,804,275.20x = 4,206,412.80 × 911,078.40
  4. Step 4: Simplify right side
    2,804,275.20x = 3,832,371,843,563.52
  5. Step 5: Solve for x
    x = 3,832,371,843,563.52/2,804,275.20
  6. Step 6: Final answer
    x = 1,366,617.60

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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.