Home / 1,912,287.30-2,868,430.95-1,800,094.20

Finding the Fourth Proportional to 1,912,287.30, 2,868,430.95 and 1,800,094.20

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Solution

The fourth proportional to 1,912,287.30, 2,868,430.95 and 1,800,094.20 is: 2,700,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,287.30 : 2,868,430.95 = 1,800,094.20 : x
  2. Step 2: Convert to fraction form
    1,912,287.30/2,868,430.95 = 1,800,094.20/x
  3. Step 3: Cross multiply
    1,912,287.30x = 2,868,430.95 × 1,800,094.20
  4. Step 4: Simplify right side
    1,912,287.30x = 5,163,445,916,195.49
  5. Step 5: Solve for x
    x = 5,163,445,916,195.49/1,912,287.30
  6. Step 6: Final answer
    x = 2,700,141.30

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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.