Home / 1,931,668.80-2,896,336.80-866,512.32

Finding the Fourth Proportional to 1,931,668.80, 2,896,336.80 and 866,512.32

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Solution

The fourth proportional to 1,931,668.80, 2,896,336.80 and 866,512.32 is: 1,299,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,668.80 : 2,896,336.80 = 866,512.32 : x
  2. Step 2: Convert to fraction form
    1,931,668.80/2,896,336.80 = 866,512.32/x
  3. Step 3: Cross multiply
    1,931,668.80x = 2,896,336.80 × 866,512.32
  4. Step 4: Simplify right side
    1,931,668.80x = 2,509,711,520,069.38
  5. Step 5: Solve for x
    x = 2,509,711,520,069.38/1,931,668.80
  6. Step 6: Final answer
    x = 1,299,245.25

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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.