Home / 5,223,521.52-7,208,459.70-2,931,682.20

Finding the Fourth Proportional to 5,223,521.52, 7,208,459.70 and 2,931,682.20

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Solution

The fourth proportional to 5,223,521.52, 7,208,459.70 and 2,931,682.20 is: 4,045,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223,521.52 : 7,208,459.70 = 2,931,682.20 : x
  2. Step 2: Convert to fraction form
    5,223,521.52/7,208,459.70 = 2,931,682.20/x
  3. Step 3: Cross multiply
    5,223,521.52x = 7,208,459.70 × 2,931,682.20
  4. Step 4: Simplify right side
    5,223,521.52x = 21,132,912,991,907.34
  5. Step 5: Solve for x
    x = 21,132,912,991,907.34/5,223,521.52
  6. Step 6: Final answer
    x = 4,045,721.44

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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.