Home / 2,165,430.40-3,248,145.60-1,630,052.80

Finding the Fourth Proportional to 2,165,430.40, 3,248,145.60 and 1,630,052.80

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Solution

The fourth proportional to 2,165,430.40, 3,248,145.60 and 1,630,052.80 is: 2,445,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,430.40 : 3,248,145.60 = 1,630,052.80 : x
  2. Step 2: Convert to fraction form
    2,165,430.40/3,248,145.60 = 1,630,052.80/x
  3. Step 3: Cross multiply
    2,165,430.40x = 3,248,145.60 × 1,630,052.80
  4. Step 4: Simplify right side
    2,165,430.40x = 5,294,648,830,087.68
  5. Step 5: Solve for x
    x = 5,294,648,830,087.68/2,165,430.40
  6. Step 6: Final answer
    x = 2,445,079.20

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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.