Home / 2,315,879.79-3,195,875.09-1,283,385.47

Finding the Fourth Proportional to 2,315,879.79, 3,195,875.09 and 1,283,385.47

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Solution

The fourth proportional to 2,315,879.79, 3,195,875.09 and 1,283,385.47 is: 1,771,050.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,879.79 : 3,195,875.09 = 1,283,385.47 : x
  2. Step 2: Convert to fraction form
    2,315,879.79/3,195,875.09 = 1,283,385.47/x
  3. Step 3: Cross multiply
    2,315,879.79x = 3,195,875.09 × 1,283,385.47
  4. Step 4: Simplify right side
    2,315,879.79x = 4,101,539,665,025.71
  5. Step 5: Solve for x
    x = 4,101,539,665,025.71/2,315,879.79
  6. Step 6: Final answer
    x = 1,771,050.33

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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.