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Finding the Fourth Proportional to 2,235,491.50, 3,084,978.63 and 1,216,903.90

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Solution

The fourth proportional to 2,235,491.50, 3,084,978.63 and 1,216,903.90 is: 1,679,327.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,491.50 : 3,084,978.63 = 1,216,903.90 : x
  2. Step 2: Convert to fraction form
    2,235,491.50/3,084,978.63 = 1,216,903.90/x
  3. Step 3: Cross multiply
    2,235,491.50x = 3,084,978.63 × 1,216,903.90
  4. Step 4: Simplify right side
    2,235,491.50x = 3,754,122,526,263.66
  5. Step 5: Solve for x
    x = 3,754,122,526,263.66/2,235,491.50
  6. Step 6: Final answer
    x = 1,679,327.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.