Home / 5,314,235.40-7,972,130.70-1,719,390.60

Finding the Fourth Proportional to 5,314,235.40, 7,972,130.70 and 1,719,390.60

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Solution

The fourth proportional to 5,314,235.40, 7,972,130.70 and 1,719,390.60 is: 2,579,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314,235.40 : 7,972,130.70 = 1,719,390.60 : x
  2. Step 2: Convert to fraction form
    5,314,235.40/7,972,130.70 = 1,719,390.60/x
  3. Step 3: Cross multiply
    5,314,235.40x = 7,972,130.70 × 1,719,390.60
  4. Step 4: Simplify right side
    5,314,235.40x = 13,707,206,587,551.42
  5. Step 5: Solve for x
    x = 13,707,206,587,551.42/5,314,235.40
  6. Step 6: Final answer
    x = 2,579,337.49

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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.