Home / 3,620,108.16-4,997,447.28-2,091,916.80

Finding the Fourth Proportional to 3,620,108.16, 4,997,447.28 and 2,091,916.80

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Solution

The fourth proportional to 3,620,108.16, 4,997,447.28 and 2,091,916.80 is: 2,887,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,108.16 : 4,997,447.28 = 2,091,916.80 : x
  2. Step 2: Convert to fraction form
    3,620,108.16/4,997,447.28 = 2,091,916.80/x
  3. Step 3: Cross multiply
    3,620,108.16x = 4,997,447.28 × 2,091,916.80
  4. Step 4: Simplify right side
    3,620,108.16x = 10,454,243,922,146.30
  5. Step 5: Solve for x
    x = 10,454,243,922,146.30/3,620,108.16
  6. Step 6: Final answer
    x = 2,887,826.40

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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.