Home / 2,117,909.40-2,922,737.52-1,151,039.76

Finding the Fourth Proportional to 2,117,909.40, 2,922,737.52 and 1,151,039.76

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Solution

The fourth proportional to 2,117,909.40, 2,922,737.52 and 1,151,039.76 is: 1,588,447.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,909.40 : 2,922,737.52 = 1,151,039.76 : x
  2. Step 2: Convert to fraction form
    2,117,909.40/2,922,737.52 = 1,151,039.76/x
  3. Step 3: Cross multiply
    2,117,909.40x = 2,922,737.52 × 1,151,039.76
  4. Step 4: Simplify right side
    2,117,909.40x = 3,364,187,093,563.80
  5. Step 5: Solve for x
    x = 3,364,187,093,563.80/2,117,909.40
  6. Step 6: Final answer
    x = 1,588,447.12

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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.