Home / 3,112,822.13-4,668,112.19-1,315,845.32

Finding the Fourth Proportional to 3,112,822.13, 4,668,112.19 and 1,315,845.32

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Solution

The fourth proportional to 3,112,822.13, 4,668,112.19 and 1,315,845.32 is: 1,973,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,822.13 : 4,668,112.19 = 1,315,845.32 : x
  2. Step 2: Convert to fraction form
    3,112,822.13/4,668,112.19 = 1,315,845.32/x
  3. Step 3: Cross multiply
    3,112,822.13x = 4,668,112.19 × 1,315,845.32
  4. Step 4: Simplify right side
    3,112,822.13x = 6,142,513,548,526.66
  5. Step 5: Solve for x
    x = 6,142,513,548,526.66/3,112,822.13
  6. Step 6: Final answer
    x = 1,973,294.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.