Home / 2,804,490.40-4,206,735.60-2,140,938.40

Finding the Fourth Proportional to 2,804,490.40, 4,206,735.60 and 2,140,938.40

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Solution

The fourth proportional to 2,804,490.40, 4,206,735.60 and 2,140,938.40 is: 3,211,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804,490.40 : 4,206,735.60 = 2,140,938.40 : x
  2. Step 2: Convert to fraction form
    2,804,490.40/4,206,735.60 = 2,140,938.40/x
  3. Step 3: Cross multiply
    2,804,490.40x = 4,206,735.60 × 2,140,938.40
  4. Step 4: Simplify right side
    2,804,490.40x = 9,006,361,784,687.04
  5. Step 5: Solve for x
    x = 9,006,361,784,687.04/2,804,490.40
  6. Step 6: Final answer
    x = 3,211,407.60

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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.