Home / 1,686,675.20-2,530,012.80-1,612,025.60

Finding the Fourth Proportional to 1,686,675.20, 2,530,012.80 and 1,612,025.60

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Solution

The fourth proportional to 1,686,675.20, 2,530,012.80 and 1,612,025.60 is: 2,418,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,675.20 : 2,530,012.80 = 1,612,025.60 : x
  2. Step 2: Convert to fraction form
    1,686,675.20/2,530,012.80 = 1,612,025.60/x
  3. Step 3: Cross multiply
    1,686,675.20x = 2,530,012.80 × 1,612,025.60
  4. Step 4: Simplify right side
    1,686,675.20x = 4,078,445,401,927.68
  5. Step 5: Solve for x
    x = 4,078,445,401,927.68/1,686,675.20
  6. Step 6: Final answer
    x = 2,418,038.40

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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.