Home / 2,143,420.60-3,212,366.10-1,642,300.60

Finding the Fourth Proportional to 2,143,420.60, 3,212,366.10 and 1,642,300.60

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Solution

The fourth proportional to 2,143,420.60, 3,212,366.10 and 1,642,300.60 is: 2,461,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,420.60 : 3,212,366.10 = 1,642,300.60 : x
  2. Step 2: Convert to fraction form
    2,143,420.60/3,212,366.10 = 1,642,300.60/x
  3. Step 3: Cross multiply
    2,143,420.60x = 3,212,366.10 × 1,642,300.60
  4. Step 4: Simplify right side
    2,143,420.60x = 5,275,670,773,449.66
  5. Step 5: Solve for x
    x = 5,275,670,773,449.66/2,143,420.60
  6. Step 6: Final answer
    x = 2,461,332.50

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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.