Home / 2,772,721.56-4,159,049.40-879,479.40

Finding the Fourth Proportional to 2,772,721.56, 4,159,049.40 and 879,479.40

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Solution

The fourth proportional to 2,772,721.56, 4,159,049.40 and 879,479.40 is: 1,319,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,721.56 : 4,159,049.40 = 879,479.40 : x
  2. Step 2: Convert to fraction form
    2,772,721.56/4,159,049.40 = 879,479.40/x
  3. Step 3: Cross multiply
    2,772,721.56x = 4,159,049.40 × 879,479.40
  4. Step 4: Simplify right side
    2,772,721.56x = 3,657,798,270,882.36
  5. Step 5: Solve for x
    x = 3,657,798,270,882.36/2,772,721.56
  6. Step 6: Final answer
    x = 1,319,208.65

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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.