Home / 4,885,406.12-7,328,171.54-1,291,142.01

Finding the Fourth Proportional to 4,885,406.12, 7,328,171.54 and 1,291,142.01

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Solution

The fourth proportional to 4,885,406.12, 7,328,171.54 and 1,291,142.01 is: 1,936,729.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885,406.12 : 7,328,171.54 = 1,291,142.01 : x
  2. Step 2: Convert to fraction form
    4,885,406.12/7,328,171.54 = 1,291,142.01/x
  3. Step 3: Cross multiply
    4,885,406.12x = 7,328,171.54 × 1,291,142.01
  4. Step 4: Simplify right side
    4,885,406.12x = 9,461,710,125,324.69
  5. Step 5: Solve for x
    x = 9,461,710,125,324.69/4,885,406.12
  6. Step 6: Final answer
    x = 1,936,729.50

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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.