Home / 3,445,984.49-5,168,975.52-921,574.13

Finding the Fourth Proportional to 3,445,984.49, 5,168,975.52 and 921,574.13

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Solution

The fourth proportional to 3,445,984.49, 5,168,975.52 and 921,574.13 is: 1,382,360.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,984.49 : 5,168,975.52 = 921,574.13 : x
  2. Step 2: Convert to fraction form
    3,445,984.49/5,168,975.52 = 921,574.13/x
  3. Step 3: Cross multiply
    3,445,984.49x = 5,168,975.52 × 921,574.13
  4. Step 4: Simplify right side
    3,445,984.49x = 4,763,594,117,835.30
  5. Step 5: Solve for x
    x = 4,763,594,117,835.30/3,445,984.49
  6. Step 6: Final answer
    x = 1,382,360.87

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Double scale
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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.