Home / 3,208,201.20-4,815,023.40-1,316,300.40

Finding the Fourth Proportional to 3,208,201.20, 4,815,023.40 and 1,316,300.40

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Solution

The fourth proportional to 3,208,201.20, 4,815,023.40 and 1,316,300.40 is: 1,975,567.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,201.20 : 4,815,023.40 = 1,316,300.40 : x
  2. Step 2: Convert to fraction form
    3,208,201.20/4,815,023.40 = 1,316,300.40/x
  3. Step 3: Cross multiply
    3,208,201.20x = 4,815,023.40 × 1,316,300.40
  4. Step 4: Simplify right side
    3,208,201.20x = 6,338,017,227,429.36
  5. Step 5: Solve for x
    x = 6,338,017,227,429.36/3,208,201.20
  6. Step 6: Final answer
    x = 1,975,567.25

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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.