Home / 1,872,026.60-2,808,039.90-1,858,029.80

Finding the Fourth Proportional to 1,872,026.60, 2,808,039.90 and 1,858,029.80

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Solution

The fourth proportional to 1,872,026.60, 2,808,039.90 and 1,858,029.80 is: 2,787,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,026.60 : 2,808,039.90 = 1,858,029.80 : x
  2. Step 2: Convert to fraction form
    1,872,026.60/2,808,039.90 = 1,858,029.80/x
  3. Step 3: Cross multiply
    1,872,026.60x = 2,808,039.90 × 1,858,029.80
  4. Step 4: Simplify right side
    1,872,026.60x = 5,217,421,813,789.02
  5. Step 5: Solve for x
    x = 5,217,421,813,789.02/1,872,026.60
  6. Step 6: Final answer
    x = 2,787,044.70

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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.