Home / 6,720,607-10,081,921.40-2,170,130.68

Finding the Fourth Proportional to 6,720,607, 10,081,921.40 and 2,170,130.68

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Solution

The fourth proportional to 6,720,607, 10,081,921.40 and 2,170,130.68 is: 3,255,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720,607 : 10,081,921.40 = 2,170,130.68 : x
  2. Step 2: Convert to fraction form
    6,720,607/10,081,921.40 = 2,170,130.68/x
  3. Step 3: Cross multiply
    6,720,607x = 10,081,921.40 × 2,170,130.68
  4. Step 4: Simplify right side
    6,720,607x = 21,879,086,943,488.55
  5. Step 5: Solve for x
    x = 21,879,086,943,488.55/6,720,607
  6. Step 6: Final answer
    x = 3,255,522.45

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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.