Home / 2,127,670.34-2,936,267.40-1,209,983.27

Finding the Fourth Proportional to 2,127,670.34, 2,936,267.40 and 1,209,983.27

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Solution

The fourth proportional to 2,127,670.34, 2,936,267.40 and 1,209,983.27 is: 1,669,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,670.34 : 2,936,267.40 = 1,209,983.27 : x
  2. Step 2: Convert to fraction form
    2,127,670.34/2,936,267.40 = 1,209,983.27/x
  3. Step 3: Cross multiply
    2,127,670.34x = 2,936,267.40 × 1,209,983.27
  4. Step 4: Simplify right side
    2,127,670.34x = 3,552,834,415,565.06
  5. Step 5: Solve for x
    x = 3,552,834,415,565.06/2,127,670.34
  6. Step 6: Final answer
    x = 1,669,823.73

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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.