Home / 1,692,909.47-2,336,211.77-918,540.06

Finding the Fourth Proportional to 1,692,909.47, 2,336,211.77 and 918,540.06

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Solution

The fourth proportional to 1,692,909.47, 2,336,211.77 and 918,540.06 is: 1,267,583.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,909.47 : 2,336,211.77 = 918,540.06 : x
  2. Step 2: Convert to fraction form
    1,692,909.47/2,336,211.77 = 918,540.06/x
  3. Step 3: Cross multiply
    1,692,909.47x = 2,336,211.77 × 918,540.06
  4. Step 4: Simplify right side
    1,692,909.47x = 2,145,904,094,795.81
  5. Step 5: Solve for x
    x = 2,145,904,094,795.81/1,692,909.47
  6. Step 6: Final answer
    x = 1,267,583.49

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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.