Home / 1,985,289.92-2,740,186.77-1,126,352.96

Finding the Fourth Proportional to 1,985,289.92, 2,740,186.77 and 1,126,352.96

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Solution

The fourth proportional to 1,985,289.92, 2,740,186.77 and 1,126,352.96 is: 1,554,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,289.92 : 2,740,186.77 = 1,126,352.96 : x
  2. Step 2: Convert to fraction form
    1,985,289.92/2,740,186.77 = 1,126,352.96/x
  3. Step 3: Cross multiply
    1,985,289.92x = 2,740,186.77 × 1,126,352.96
  4. Step 4: Simplify right side
    1,985,289.92x = 3,086,417,479,342.34
  5. Step 5: Solve for x
    x = 3,086,417,479,342.34/1,985,289.92
  6. Step 6: Final answer
    x = 1,554,643.20

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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.