Home / 1,964,651.76-2,711,160.72-1,190,740.50

Finding the Fourth Proportional to 1,964,651.76, 2,711,160.72 and 1,190,740.50

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Solution

The fourth proportional to 1,964,651.76, 2,711,160.72 and 1,190,740.50 is: 1,643,186.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,651.76 : 2,711,160.72 = 1,190,740.50 : x
  2. Step 2: Convert to fraction form
    1,964,651.76/2,711,160.72 = 1,190,740.50/x
  3. Step 3: Cross multiply
    1,964,651.76x = 2,711,160.72 × 1,190,740.50
  4. Step 4: Simplify right side
    1,964,651.76x = 3,228,288,871,313.16
  5. Step 5: Solve for x
    x = 3,228,288,871,313.16/1,964,651.76
  6. Step 6: Final answer
    x = 1,643,186.31

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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.