Home / 1,910,020.61-2,864,719.47-561,867.86

Finding the Fourth Proportional to 1,910,020.61, 2,864,719.47 and 561,867.86

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Solution

The fourth proportional to 1,910,020.61, 2,864,719.47 and 561,867.86 is: 842,710.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,020.61 : 2,864,719.47 = 561,867.86 : x
  2. Step 2: Convert to fraction form
    1,910,020.61/2,864,719.47 = 561,867.86/x
  3. Step 3: Cross multiply
    1,910,020.61x = 2,864,719.47 × 561,867.86
  4. Step 4: Simplify right side
    1,910,020.61x = 1,609,593,798,109.23
  5. Step 5: Solve for x
    x = 1,609,593,798,109.23/1,910,020.61
  6. Step 6: Final answer
    x = 842,710.17

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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.