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Finding the Fourth Proportional to 1,624,929.34, 2,242,375.09 and 899,761.48

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Solution

The fourth proportional to 1,624,929.34, 2,242,375.09 and 899,761.48 is: 1,241,655.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,929.34 : 2,242,375.09 = 899,761.48 : x
  2. Step 2: Convert to fraction form
    1,624,929.34/2,242,375.09 = 899,761.48/x
  3. Step 3: Cross multiply
    1,624,929.34x = 2,242,375.09 × 899,761.48
  4. Step 4: Simplify right side
    1,624,929.34x = 2,017,602,730,247.10
  5. Step 5: Solve for x
    x = 2,017,602,730,247.10/1,624,929.34
  6. Step 6: Final answer
    x = 1,241,655.67

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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.