Home / 1,525,189.20-2,102,846.04-1,116,581.64

Finding the Fourth Proportional to 1,525,189.20, 2,102,846.04 and 1,116,581.64

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Solution

The fourth proportional to 1,525,189.20, 2,102,846.04 and 1,116,581.64 is: 1,539,480.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,189.20 : 2,102,846.04 = 1,116,581.64 : x
  2. Step 2: Convert to fraction form
    1,525,189.20/2,102,846.04 = 1,116,581.64/x
  3. Step 3: Cross multiply
    1,525,189.20x = 2,102,846.04 × 1,116,581.64
  4. Step 4: Simplify right side
    1,525,189.20x = 2,347,999,280,010.71
  5. Step 5: Solve for x
    x = 2,347,999,280,010.71/1,525,189.20
  6. Step 6: Final answer
    x = 1,539,480.66

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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.