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Finding the Fourth Proportional to 5,326,692.02, 7,350,831.82 and 2,879,303.11

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Solution

The fourth proportional to 5,326,692.02, 7,350,831.82 and 2,879,303.11 is: 3,973,436.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326,692.02 : 7,350,831.82 = 2,879,303.11 : x
  2. Step 2: Convert to fraction form
    5,326,692.02/7,350,831.82 = 2,879,303.11/x
  3. Step 3: Cross multiply
    5,326,692.02x = 7,350,831.82 × 2,879,303.11
  4. Step 4: Simplify right side
    5,326,692.02x = 21,165,272,902,035.88
  5. Step 5: Solve for x
    x = 21,165,272,902,035.88/5,326,692.02
  6. Step 6: Final answer
    x = 3,973,436.57

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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.