Home / 1,983,776.60-2,969,444.10-1,423,904.60

Finding the Fourth Proportional to 1,983,776.60, 2,969,444.10 and 1,423,904.60

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Solution

The fourth proportional to 1,983,776.60, 2,969,444.10 and 1,423,904.60 is: 2,131,391.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,776.60 : 2,969,444.10 = 1,423,904.60 : x
  2. Step 2: Convert to fraction form
    1,983,776.60/2,969,444.10 = 1,423,904.60/x
  3. Step 3: Cross multiply
    1,983,776.60x = 2,969,444.10 × 1,423,904.60
  4. Step 4: Simplify right side
    1,983,776.60x = 4,228,205,113,432.86
  5. Step 5: Solve for x
    x = 4,228,205,113,432.86/1,983,776.60
  6. Step 6: Final answer
    x = 2,131,391.77

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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.