Home / 2,148,130.73-2,964,416.16-1,230,656.90

Finding the Fourth Proportional to 2,148,130.73, 2,964,416.16 and 1,230,656.90

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Solution

The fourth proportional to 2,148,130.73, 2,964,416.16 and 1,230,656.90 is: 1,698,304.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,130.73 : 2,964,416.16 = 1,230,656.90 : x
  2. Step 2: Convert to fraction form
    2,148,130.73/2,964,416.16 = 1,230,656.90/x
  3. Step 3: Cross multiply
    2,148,130.73x = 2,964,416.16 × 1,230,656.90
  4. Step 4: Simplify right side
    2,148,130.73x = 3,648,179,191,568.39
  5. Step 5: Solve for x
    x = 3,648,179,191,568.39/2,148,130.73
  6. Step 6: Final answer
    x = 1,698,304.08

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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.