Home / 3,155,253-4,354,156.80-1,778,677.44

Finding the Fourth Proportional to 3,155,253, 4,354,156.80 and 1,778,677.44

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Solution

The fourth proportional to 3,155,253, 4,354,156.80 and 1,778,677.44 is: 2,454,522.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,253 : 4,354,156.80 = 1,778,677.44 : x
  2. Step 2: Convert to fraction form
    3,155,253/4,354,156.80 = 1,778,677.44/x
  3. Step 3: Cross multiply
    3,155,253x = 4,354,156.80 × 1,778,677.44
  4. Step 4: Simplify right side
    3,155,253x = 7,744,640,470,382.59
  5. Step 5: Solve for x
    x = 7,744,640,470,382.59/3,155,253
  6. Step 6: Final answer
    x = 2,454,522.81

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1.5x scale

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.