Home / 3,547,345.20-5,321,017.80-2,413,604.40

Finding the Fourth Proportional to 3,547,345.20, 5,321,017.80 and 2,413,604.40

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Solution

The fourth proportional to 3,547,345.20, 5,321,017.80 and 2,413,604.40 is: 3,620,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547,345.20 : 5,321,017.80 = 2,413,604.40 : x
  2. Step 2: Convert to fraction form
    3,547,345.20/5,321,017.80 = 2,413,604.40/x
  3. Step 3: Cross multiply
    3,547,345.20x = 5,321,017.80 × 2,413,604.40
  4. Step 4: Simplify right side
    3,547,345.20x = 12,842,831,974,558.32
  5. Step 5: Solve for x
    x = 12,842,831,974,558.32/3,547,345.20
  6. Step 6: Final answer
    x = 3,620,406.60

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Similar ratio
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1.5x scale

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.