Home / 3,915,364.04-5,403,239.24-2,196,521.45

Finding the Fourth Proportional to 3,915,364.04, 5,403,239.24 and 2,196,521.45

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Solution

The fourth proportional to 3,915,364.04, 5,403,239.24 and 2,196,521.45 is: 3,031,220.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,364.04 : 5,403,239.24 = 2,196,521.45 : x
  2. Step 2: Convert to fraction form
    3,915,364.04/5,403,239.24 = 2,196,521.45/x
  3. Step 3: Cross multiply
    3,915,364.04x = 5,403,239.24 × 2,196,521.45
  4. Step 4: Simplify right side
    3,915,364.04x = 11,868,330,890,141.70
  5. Step 5: Solve for x
    x = 11,868,330,890,141.70/3,915,364.04
  6. Step 6: Final answer
    x = 3,031,220.28

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Double scale
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1.5x scale

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.