Home / 1,630,343.80-2,445,515.70-1,210,439.80

Finding the Fourth Proportional to 1,630,343.80, 2,445,515.70 and 1,210,439.80

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Solution

The fourth proportional to 1,630,343.80, 2,445,515.70 and 1,210,439.80 is: 1,815,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,343.80 : 2,445,515.70 = 1,210,439.80 : x
  2. Step 2: Convert to fraction form
    1,630,343.80/2,445,515.70 = 1,210,439.80/x
  3. Step 3: Cross multiply
    1,630,343.80x = 2,445,515.70 × 1,210,439.80
  4. Step 4: Simplify right side
    1,630,343.80x = 2,960,149,534,804.86
  5. Step 5: Solve for x
    x = 2,960,149,534,804.86/1,630,343.80
  6. Step 6: Final answer
    x = 1,815,659.70

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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.