Home / 2,139,736.40-3,206,224.14-790,038.80

Finding the Fourth Proportional to 2,139,736.40, 3,206,224.14 and 790,038.80

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Solution

The fourth proportional to 2,139,736.40, 3,206,224.14 and 790,038.80 is: 1,183,810.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,736.40 : 3,206,224.14 = 790,038.80 : x
  2. Step 2: Convert to fraction form
    2,139,736.40/3,206,224.14 = 790,038.80/x
  3. Step 3: Cross multiply
    2,139,736.40x = 3,206,224.14 × 790,038.80
  4. Step 4: Simplify right side
    2,139,736.40x = 2,533,041,472,096.63
  5. Step 5: Solve for x
    x = 2,533,041,472,096.63/2,139,736.40
  6. Step 6: Final answer
    x = 1,183,810.06

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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.