Home / 2,378,889-3,281,373.18-1,411,334.28

Finding the Fourth Proportional to 2,378,889, 3,281,373.18 and 1,411,334.28

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Solution

The fourth proportional to 2,378,889, 3,281,373.18 and 1,411,334.28 is: 1,946,755.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,889 : 3,281,373.18 = 1,411,334.28 : x
  2. Step 2: Convert to fraction form
    2,378,889/3,281,373.18 = 1,411,334.28/x
  3. Step 3: Cross multiply
    2,378,889x = 3,281,373.18 × 1,411,334.28
  4. Step 4: Simplify right side
    2,378,889x = 4,631,114,454,406.61
  5. Step 5: Solve for x
    x = 4,631,114,454,406.61/2,378,889
  6. Step 6: Final answer
    x = 1,946,755.17

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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.