Home / 2,127,630.66-2,936,116.34-1,209,859.86

Finding the Fourth Proportional to 2,127,630.66, 2,936,116.34 and 1,209,859.86

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Solution

The fourth proportional to 2,127,630.66, 2,936,116.34 and 1,209,859.86 is: 1,669,598.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,630.66 : 2,936,116.34 = 1,209,859.86 : x
  2. Step 2: Convert to fraction form
    2,127,630.66/2,936,116.34 = 1,209,859.86/x
  3. Step 3: Cross multiply
    2,127,630.66x = 2,936,116.34 × 1,209,859.86
  4. Step 4: Simplify right side
    2,127,630.66x = 3,552,289,307,080.76
  5. Step 5: Solve for x
    x = 3,552,289,307,080.76/2,127,630.66
  6. Step 6: Final answer
    x = 1,669,598.66

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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.