Home / 2,378,890-3,281,374.56-1,411,335.28

Finding the Fourth Proportional to 2,378,890, 3,281,374.56 and 1,411,335.28

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Solution

The fourth proportional to 2,378,890, 3,281,374.56 and 1,411,335.28 is: 1,946,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,890 : 3,281,374.56 = 1,411,335.28 : x
  2. Step 2: Convert to fraction form
    2,378,890/3,281,374.56 = 1,411,335.28/x
  3. Step 3: Cross multiply
    2,378,890x = 3,281,374.56 × 1,411,335.28
  4. Step 4: Simplify right side
    2,378,890x = 4,631,119,683,422.48
  5. Step 5: Solve for x
    x = 4,631,119,683,422.48/2,378,890
  6. Step 6: Final answer
    x = 1,946,756.55

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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.