Home / 4,919,040-6,788,275.20-2,772,864

Finding the Fourth Proportional to 4,919,040, 6,788,275.20 and 2,772,864

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Solution

The fourth proportional to 4,919,040, 6,788,275.20 and 2,772,864 is: 3,826,552.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919,040 : 6,788,275.20 = 2,772,864 : x
  2. Step 2: Convert to fraction form
    4,919,040/6,788,275.20 = 2,772,864/x
  3. Step 3: Cross multiply
    4,919,040x = 6,788,275.20 × 2,772,864
  4. Step 4: Simplify right side
    4,919,040x = 18,822,963,924,172.80
  5. Step 5: Solve for x
    x = 18,822,963,924,172.80/4,919,040
  6. Step 6: Final answer
    x = 3,826,552.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.