Home / 5,385,968.16-7,431,722.64-3,210,472.32

Finding the Fourth Proportional to 5,385,968.16, 7,431,722.64 and 3,210,472.32

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Solution

The fourth proportional to 5,385,968.16, 7,431,722.64 and 3,210,472.32 is: 4,429,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,968.16 : 7,431,722.64 = 3,210,472.32 : x
  2. Step 2: Convert to fraction form
    5,385,968.16/7,431,722.64 = 3,210,472.32/x
  3. Step 3: Cross multiply
    5,385,968.16x = 7,431,722.64 × 3,210,472.32
  4. Step 4: Simplify right side
    5,385,968.16x = 23,859,339,825,637.32
  5. Step 5: Solve for x
    x = 23,859,339,825,637.32/5,385,968.16
  6. Step 6: Final answer
    x = 4,429,907.33

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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.