Home / 3,112,693.23-4,668,689.16-838,384.08

Finding the Fourth Proportional to 3,112,693.23, 4,668,689.16 and 838,384.08

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Solution

The fourth proportional to 3,112,693.23, 4,668,689.16 and 838,384.08 is: 1,257,481.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,693.23 : 4,668,689.16 = 838,384.08 : x
  2. Step 2: Convert to fraction form
    3,112,693.23/4,668,689.16 = 838,384.08/x
  3. Step 3: Cross multiply
    3,112,693.23x = 4,668,689.16 × 838,384.08
  4. Step 4: Simplify right side
    3,112,693.23x = 3,914,154,666,212.57
  5. Step 5: Solve for x
    x = 3,914,154,666,212.57/3,112,693.23
  6. Step 6: Final answer
    x = 1,257,481.67

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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.