Home / 2,805,886.80-4,209,202.80-911,990.16

Finding the Fourth Proportional to 2,805,886.80, 4,209,202.80 and 911,990.16

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Solution

The fourth proportional to 2,805,886.80, 4,209,202.80 and 911,990.16 is: 1,368,106.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805,886.80 : 4,209,202.80 = 911,990.16 : x
  2. Step 2: Convert to fraction form
    2,805,886.80/4,209,202.80 = 911,990.16/x
  3. Step 3: Cross multiply
    2,805,886.80x = 4,209,202.80 × 911,990.16
  4. Step 4: Simplify right side
    2,805,886.80x = 3,838,751,535,044.45
  5. Step 5: Solve for x
    x = 3,838,751,535,044.45/2,805,886.80
  6. Step 6: Final answer
    x = 1,368,106.35

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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.