Home / 5,352,390.51-7,386,305.82-2,905,001.28

Finding the Fourth Proportional to 5,352,390.51, 7,386,305.82 and 2,905,001.28

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Solution

The fourth proportional to 5,352,390.51, 7,386,305.82 and 2,905,001.28 is: 4,008,905.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352,390.51 : 7,386,305.82 = 2,905,001.28 : x
  2. Step 2: Convert to fraction form
    5,352,390.51/7,386,305.82 = 2,905,001.28/x
  3. Step 3: Cross multiply
    5,352,390.51x = 7,386,305.82 × 2,905,001.28
  4. Step 4: Simplify right side
    5,352,390.51x = 21,457,227,868,833.95
  5. Step 5: Solve for x
    x = 21,457,227,868,833.95/5,352,390.51
  6. Step 6: Final answer
    x = 4,008,905.52

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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.