Home / 1,819,269.04-2,729,823.72-1,212,471.40

Finding the Fourth Proportional to 1,819,269.04, 2,729,823.72 and 1,212,471.40

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Solution

The fourth proportional to 1,819,269.04, 2,729,823.72 and 1,212,471.40 is: 1,819,320.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,269.04 : 2,729,823.72 = 1,212,471.40 : x
  2. Step 2: Convert to fraction form
    1,819,269.04/2,729,823.72 = 1,212,471.40/x
  3. Step 3: Cross multiply
    1,819,269.04x = 2,729,823.72 × 1,212,471.40
  4. Step 4: Simplify right side
    1,819,269.04x = 3,309,833,187,541.61
  5. Step 5: Solve for x
    x = 3,309,833,187,541.61/1,819,269.04
  6. Step 6: Final answer
    x = 1,819,320.35

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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.