Home / 3,630,275.20-5,445,412.80-2,779,969.60

Finding the Fourth Proportional to 3,630,275.20, 5,445,412.80 and 2,779,969.60

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Solution

The fourth proportional to 3,630,275.20, 5,445,412.80 and 2,779,969.60 is: 4,169,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630,275.20 : 5,445,412.80 = 2,779,969.60 : x
  2. Step 2: Convert to fraction form
    3,630,275.20/5,445,412.80 = 2,779,969.60/x
  3. Step 3: Cross multiply
    3,630,275.20x = 5,445,412.80 × 2,779,969.60
  4. Step 4: Simplify right side
    3,630,275.20x = 15,138,082,043,450.88
  5. Step 5: Solve for x
    x = 15,138,082,043,450.88/3,630,275.20
  6. Step 6: Final answer
    x = 4,169,954.40

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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.