Home / 2,140,737-2,954,306.70-1,173,904.53

Finding the Fourth Proportional to 2,140,737, 2,954,306.70 and 1,173,904.53

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Solution

The fourth proportional to 2,140,737, 2,954,306.70 and 1,173,904.53 is: 1,620,037.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,737 : 2,954,306.70 = 1,173,904.53 : x
  2. Step 2: Convert to fraction form
    2,140,737/2,954,306.70 = 1,173,904.53/x
  3. Step 3: Cross multiply
    2,140,737x = 2,954,306.70 × 1,173,904.53
  4. Step 4: Simplify right side
    2,140,737x = 3,468,074,018,139.35
  5. Step 5: Solve for x
    x = 3,468,074,018,139.35/2,140,737
  6. Step 6: Final answer
    x = 1,620,037.41

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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.