Home / 5,210,788.32-7,190,758.80-2,918,933.28

Finding the Fourth Proportional to 5,210,788.32, 7,190,758.80 and 2,918,933.28

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Solution

The fourth proportional to 5,210,788.32, 7,190,758.80 and 2,918,933.28 is: 4,028,055.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210,788.32 : 7,190,758.80 = 2,918,933.28 : x
  2. Step 2: Convert to fraction form
    5,210,788.32/7,190,758.80 = 2,918,933.28/x
  3. Step 3: Cross multiply
    5,210,788.32x = 7,190,758.80 × 2,918,933.28
  4. Step 4: Simplify right side
    5,210,788.32x = 20,989,345,169,772.86
  5. Step 5: Solve for x
    x = 20,989,345,169,772.86/5,210,788.32
  6. Step 6: Final answer
    x = 4,028,055.62

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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.