Home / 1,630,247.40-2,445,371.10-1,366,495.20

Finding the Fourth Proportional to 1,630,247.40, 2,445,371.10 and 1,366,495.20

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Solution

The fourth proportional to 1,630,247.40, 2,445,371.10 and 1,366,495.20 is: 2,049,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,247.40 : 2,445,371.10 = 1,366,495.20 : x
  2. Step 2: Convert to fraction form
    1,630,247.40/2,445,371.10 = 1,366,495.20/x
  3. Step 3: Cross multiply
    1,630,247.40x = 2,445,371.10 × 1,366,495.20
  4. Step 4: Simplify right side
    1,630,247.40x = 3,341,587,870,368.72
  5. Step 5: Solve for x
    x = 3,341,587,870,368.72/1,630,247.40
  6. Step 6: Final answer
    x = 2,049,742.80

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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.