Home / 5,228,391.51-7,215,036.30-2,905,223.93

Finding the Fourth Proportional to 5,228,391.51, 7,215,036.30 and 2,905,223.93

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Solution

The fourth proportional to 5,228,391.51, 7,215,036.30 and 2,905,223.93 is: 4,009,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,391.51 : 7,215,036.30 = 2,905,223.93 : x
  2. Step 2: Convert to fraction form
    5,228,391.51/7,215,036.30 = 2,905,223.93/x
  3. Step 3: Cross multiply
    5,228,391.51x = 7,215,036.30 × 2,905,223.93
  4. Step 4: Simplify right side
    5,228,391.51x = 20,961,296,078,503.48
  5. Step 5: Solve for x
    x = 20,961,296,078,503.48/5,228,391.51
  6. Step 6: Final answer
    x = 4,009,129.01

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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.