Home / 2,490,221.27-3,436,749.81-1,457,666.89

Finding the Fourth Proportional to 2,490,221.27, 3,436,749.81 and 1,457,666.89

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Solution

The fourth proportional to 2,490,221.27, 3,436,749.81 and 1,457,666.89 is: 2,011,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490,221.27 : 3,436,749.81 = 1,457,666.89 : x
  2. Step 2: Convert to fraction form
    2,490,221.27/3,436,749.81 = 1,457,666.89/x
  3. Step 3: Cross multiply
    2,490,221.27x = 3,436,749.81 × 1,457,666.89
  4. Step 4: Simplify right side
    2,490,221.27x = 5,009,636,407,250.79
  5. Step 5: Solve for x
    x = 5,009,636,407,250.79/2,490,221.27
  6. Step 6: Final answer
    x = 2,011,723.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.