Home / 2,801,210.40-4,201,815.60-908,143.20

Finding the Fourth Proportional to 2,801,210.40, 4,201,815.60 and 908,143.20

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Solution

The fourth proportional to 2,801,210.40, 4,201,815.60 and 908,143.20 is: 1,362,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,210.40 : 4,201,815.60 = 908,143.20 : x
  2. Step 2: Convert to fraction form
    2,801,210.40/4,201,815.60 = 908,143.20/x
  3. Step 3: Cross multiply
    2,801,210.40x = 4,201,815.60 × 908,143.20
  4. Step 4: Simplify right side
    2,801,210.40x = 3,815,850,264,793.92
  5. Step 5: Solve for x
    x = 3,815,850,264,793.92/2,801,210.40
  6. Step 6: Final answer
    x = 1,362,214.80

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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.