Home / 1,912,130.18-2,868,195.54-632,394.20

Finding the Fourth Proportional to 1,912,130.18, 2,868,195.54 and 632,394.20

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Solution

The fourth proportional to 1,912,130.18, 2,868,195.54 and 632,394.20 is: 948,591.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,130.18 : 2,868,195.54 = 632,394.20 : x
  2. Step 2: Convert to fraction form
    1,912,130.18/2,868,195.54 = 632,394.20/x
  3. Step 3: Cross multiply
    1,912,130.18x = 2,868,195.54 × 632,394.20
  4. Step 4: Simplify right side
    1,912,130.18x = 1,813,830,223,961.87
  5. Step 5: Solve for x
    x = 1,813,830,223,961.87/1,912,130.18
  6. Step 6: Final answer
    x = 948,591.39

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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.