Home / 2,038,823.60-2,813,648.83-1,121,122.56

Finding the Fourth Proportional to 2,038,823.60, 2,813,648.83 and 1,121,122.56

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Solution

The fourth proportional to 2,038,823.60, 2,813,648.83 and 1,121,122.56 is: 1,547,188.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038,823.60 : 2,813,648.83 = 1,121,122.56 : x
  2. Step 2: Convert to fraction form
    2,038,823.60/2,813,648.83 = 1,121,122.56/x
  3. Step 3: Cross multiply
    2,038,823.60x = 2,813,648.83 × 1,121,122.56
  4. Step 4: Simplify right side
    2,038,823.60x = 3,154,445,176,427.80
  5. Step 5: Solve for x
    x = 3,154,445,176,427.80/2,038,823.60
  6. Step 6: Final answer
    x = 1,547,188.87

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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.