Home / 3,938,632.48-5,437,128.81-2,306,814.58

Finding the Fourth Proportional to 3,938,632.48, 5,437,128.81 and 2,306,814.58

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Solution

The fourth proportional to 3,938,632.48, 5,437,128.81 and 2,306,814.58 is: 3,184,467.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,632.48 : 5,437,128.81 = 2,306,814.58 : x
  2. Step 2: Convert to fraction form
    3,938,632.48/5,437,128.81 = 2,306,814.58/x
  3. Step 3: Cross multiply
    3,938,632.48x = 5,437,128.81 × 2,306,814.58
  4. Step 4: Simplify right side
    3,938,632.48x = 12,542,448,012,246.05
  5. Step 5: Solve for x
    x = 12,542,448,012,246.05/3,938,632.48
  6. Step 6: Final answer
    x = 3,184,467.72

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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.