Home / 1,889,620.13-2,833,848.81-541,421.51

Finding the Fourth Proportional to 1,889,620.13, 2,833,848.81 and 541,421.51

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Solution

The fourth proportional to 1,889,620.13, 2,833,848.81 and 541,421.51 is: 811,965.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,620.13 : 2,833,848.81 = 541,421.51 : x
  2. Step 2: Convert to fraction form
    1,889,620.13/2,833,848.81 = 541,421.51/x
  3. Step 3: Cross multiply
    1,889,620.13x = 2,833,848.81 × 541,421.51
  4. Step 4: Simplify right side
    1,889,620.13x = 1,534,306,701,821.90
  5. Step 5: Solve for x
    x = 1,534,306,701,821.90/1,889,620.13
  6. Step 6: Final answer
    x = 811,965.68

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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.