Home / 2,107,430.40-3,161,145.60-2,079,436.80

Finding the Fourth Proportional to 2,107,430.40, 3,161,145.60 and 2,079,436.80

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Solution

The fourth proportional to 2,107,430.40, 3,161,145.60 and 2,079,436.80 is: 3,119,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,430.40 : 3,161,145.60 = 2,079,436.80 : x
  2. Step 2: Convert to fraction form
    2,107,430.40/3,161,145.60 = 2,079,436.80/x
  3. Step 3: Cross multiply
    2,107,430.40x = 3,161,145.60 × 2,079,436.80
  4. Step 4: Simplify right side
    2,107,430.40x = 6,573,402,490,798.08
  5. Step 5: Solve for x
    x = 6,573,402,490,798.08/2,107,430.40
  6. Step 6: Final answer
    x = 3,119,155.20

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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.