Home / 1,980,023.40-2,970,035.10-1,424,298.60

Finding the Fourth Proportional to 1,980,023.40, 2,970,035.10 and 1,424,298.60

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Solution

The fourth proportional to 1,980,023.40, 2,970,035.10 and 1,424,298.60 is: 2,136,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,023.40 : 2,970,035.10 = 1,424,298.60 : x
  2. Step 2: Convert to fraction form
    1,980,023.40/2,970,035.10 = 1,424,298.60/x
  3. Step 3: Cross multiply
    1,980,023.40x = 2,970,035.10 × 1,424,298.60
  4. Step 4: Simplify right side
    1,980,023.40x = 4,230,216,834,880.86
  5. Step 5: Solve for x
    x = 4,230,216,834,880.86/1,980,023.40
  6. Step 6: Final answer
    x = 2,136,447.90

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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.