Home / 2,144,457.60-3,213,921.60-1,643,337.60

Finding the Fourth Proportional to 2,144,457.60, 3,213,921.60 and 1,643,337.60

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Solution

The fourth proportional to 2,144,457.60, 3,213,921.60 and 1,643,337.60 is: 2,462,887.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,457.60 : 3,213,921.60 = 1,643,337.60 : x
  2. Step 2: Convert to fraction form
    2,144,457.60/3,213,921.60 = 1,643,337.60/x
  3. Step 3: Cross multiply
    2,144,457.60x = 3,213,921.60 × 1,643,337.60
  4. Step 4: Simplify right side
    2,144,457.60x = 5,281,558,208,732.16
  5. Step 5: Solve for x
    x = 5,281,558,208,732.16/2,144,457.60
  6. Step 6: Final answer
    x = 2,462,887.68

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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.