Home / 2,778,948.40-4,168,033.80-885,881.20

Finding the Fourth Proportional to 2,778,948.40, 4,168,033.80 and 885,881.20

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Solution

The fourth proportional to 2,778,948.40, 4,168,033.80 and 885,881.20 is: 1,328,697.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,948.40 : 4,168,033.80 = 885,881.20 : x
  2. Step 2: Convert to fraction form
    2,778,948.40/4,168,033.80 = 885,881.20/x
  3. Step 3: Cross multiply
    2,778,948.40x = 4,168,033.80 × 885,881.20
  4. Step 4: Simplify right side
    2,778,948.40x = 3,692,382,784,384.56
  5. Step 5: Solve for x
    x = 3,692,382,784,384.56/2,778,948.40
  6. Step 6: Final answer
    x = 1,328,697.86

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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.