Home / 3,918,347-5,879,788.08-1,643,667.68

Finding the Fourth Proportional to 3,918,347, 5,879,788.08 and 1,643,667.68

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Solution

The fourth proportional to 3,918,347, 5,879,788.08 and 1,643,667.68 is: 2,466,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,347 : 5,879,788.08 = 1,643,667.68 : x
  2. Step 2: Convert to fraction form
    3,918,347/5,879,788.08 = 1,643,667.68/x
  3. Step 3: Cross multiply
    3,918,347x = 5,879,788.08 × 1,643,667.68
  4. Step 4: Simplify right side
    3,918,347x = 9,664,417,632,345.25
  5. Step 5: Solve for x
    x = 9,664,417,632,345.25/3,918,347
  6. Step 6: Final answer
    x = 2,466,452.72

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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.