Home / 3,445,815.76-5,168,723.33-921,405.40

Finding the Fourth Proportional to 3,445,815.76, 5,168,723.33 and 921,405.40

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Solution

The fourth proportional to 3,445,815.76, 5,168,723.33 and 921,405.40 is: 1,382,108.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,815.76 : 5,168,723.33 = 921,405.40 : x
  2. Step 2: Convert to fraction form
    3,445,815.76/5,168,723.33 = 921,405.40/x
  3. Step 3: Cross multiply
    3,445,815.76x = 5,168,723.33 × 921,405.40
  4. Step 4: Simplify right side
    3,445,815.76x = 4,762,489,576,749.69
  5. Step 5: Solve for x
    x = 4,762,489,576,749.69/3,445,815.76
  6. Step 6: Final answer
    x = 1,382,108.02

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1.5x scale

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.