Home / 2,153,493.74-2,971,951.85-1,186,622.86

Finding the Fourth Proportional to 2,153,493.74, 2,971,951.85 and 1,186,622.86

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Solution

The fourth proportional to 2,153,493.74, 2,971,951.85 and 1,186,622.86 is: 1,637,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,493.74 : 2,971,951.85 = 1,186,622.86 : x
  2. Step 2: Convert to fraction form
    2,153,493.74/2,971,951.85 = 1,186,622.86/x
  3. Step 3: Cross multiply
    2,153,493.74x = 2,971,951.85 × 1,186,622.86
  4. Step 4: Simplify right side
    2,153,493.74x = 3,526,586,004,029.29
  5. Step 5: Solve for x
    x = 3,526,586,004,029.29/2,153,493.74
  6. Step 6: Final answer
    x = 1,637,611.45

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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.