Home / 1,587,165.84-2,189,022.37-1,043,859.76

Finding the Fourth Proportional to 1,587,165.84, 2,189,022.37 and 1,043,859.76

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Solution

The fourth proportional to 1,587,165.84, 2,189,022.37 and 1,043,859.76 is: 1,439,693.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,165.84 : 2,189,022.37 = 1,043,859.76 : x
  2. Step 2: Convert to fraction form
    1,587,165.84/2,189,022.37 = 1,043,859.76/x
  3. Step 3: Cross multiply
    1,587,165.84x = 2,189,022.37 × 1,043,859.76
  4. Step 4: Simplify right side
    1,587,165.84x = 2,285,032,357,700.63
  5. Step 5: Solve for x
    x = 2,285,032,357,700.63/1,587,165.84
  6. Step 6: Final answer
    x = 1,439,693.51

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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.