Home / 1,566,411.88-2,161,609.32-868,688.64

Finding the Fourth Proportional to 1,566,411.88, 2,161,609.32 and 868,688.64

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Solution

The fourth proportional to 1,566,411.88, 2,161,609.32 and 868,688.64 is: 1,198,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,411.88 : 2,161,609.32 = 868,688.64 : x
  2. Step 2: Convert to fraction form
    1,566,411.88/2,161,609.32 = 868,688.64/x
  3. Step 3: Cross multiply
    1,566,411.88x = 2,161,609.32 × 868,688.64
  4. Step 4: Simplify right side
    1,566,411.88x = 1,877,765,460,402.12
  5. Step 5: Solve for x
    x = 1,877,765,460,402.12/1,566,411.88
  6. Step 6: Final answer
    x = 1,198,768.65

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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.