Home / 1,838,140.40-2,754,100.20-1,206,729.20

Finding the Fourth Proportional to 1,838,140.40, 2,754,100.20 and 1,206,729.20

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Solution

The fourth proportional to 1,838,140.40, 2,754,100.20 and 1,206,729.20 is: 1,808,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,140.40 : 2,754,100.20 = 1,206,729.20 : x
  2. Step 2: Convert to fraction form
    1,838,140.40/2,754,100.20 = 1,206,729.20/x
  3. Step 3: Cross multiply
    1,838,140.40x = 2,754,100.20 × 1,206,729.20
  4. Step 4: Simplify right side
    1,838,140.40x = 3,323,453,131,065.84
  5. Step 5: Solve for x
    x = 3,323,453,131,065.84/1,838,140.40
  6. Step 6: Final answer
    x = 1,808,051.84

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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.