Home / 5,184,041.60-7,776,062.40-1,397,907.20

Finding the Fourth Proportional to 5,184,041.60, 7,776,062.40 and 1,397,907.20

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Solution

The fourth proportional to 5,184,041.60, 7,776,062.40 and 1,397,907.20 is: 2,096,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184,041.60 : 7,776,062.40 = 1,397,907.20 : x
  2. Step 2: Convert to fraction form
    5,184,041.60/7,776,062.40 = 1,397,907.20/x
  3. Step 3: Cross multiply
    5,184,041.60x = 7,776,062.40 × 1,397,907.20
  4. Step 4: Simplify right side
    5,184,041.60x = 10,870,213,616,609.28
  5. Step 5: Solve for x
    x = 10,870,213,616,609.28/5,184,041.60
  6. Step 6: Final answer
    x = 2,096,860.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.