Home / 3,140,790.71-4,711,513.75-866,315.48

Finding the Fourth Proportional to 3,140,790.71, 4,711,513.75 and 866,315.48

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Solution

The fourth proportional to 3,140,790.71, 4,711,513.75 and 866,315.48 is: 1,299,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,790.71 : 4,711,513.75 = 866,315.48 : x
  2. Step 2: Convert to fraction form
    3,140,790.71/4,711,513.75 = 866,315.48/x
  3. Step 3: Cross multiply
    3,140,790.71x = 4,711,513.75 × 866,315.48
  4. Step 4: Simplify right side
    3,140,790.71x = 4,081,657,270,134.49
  5. Step 5: Solve for x
    x = 4,081,657,270,134.49/3,140,790.71
  6. Step 6: Final answer
    x = 1,299,563.60

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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.