Home / 1,869,778.60-2,580,499.48-1,085,017.38

Finding the Fourth Proportional to 1,869,778.60, 2,580,499.48 and 1,085,017.38

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Solution

The fourth proportional to 1,869,778.60, 2,580,499.48 and 1,085,017.38 is: 1,497,442.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,778.60 : 2,580,499.48 = 1,085,017.38 : x
  2. Step 2: Convert to fraction form
    1,869,778.60/2,580,499.48 = 1,085,017.38/x
  3. Step 3: Cross multiply
    1,869,778.60x = 2,580,499.48 × 1,085,017.38
  4. Step 4: Simplify right side
    1,869,778.60x = 2,799,886,784,880.96
  5. Step 5: Solve for x
    x = 2,799,886,784,880.96/1,869,778.60
  6. Step 6: Final answer
    x = 1,497,442.95

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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.