Home / 3,556,419.84-5,334,440.40-997,811.28

Finding the Fourth Proportional to 3,556,419.84, 5,334,440.40 and 997,811.28

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Solution

The fourth proportional to 3,556,419.84, 5,334,440.40 and 997,811.28 is: 1,496,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556,419.84 : 5,334,440.40 = 997,811.28 : x
  2. Step 2: Convert to fraction form
    3,556,419.84/5,334,440.40 = 997,811.28/x
  3. Step 3: Cross multiply
    3,556,419.84x = 5,334,440.40 × 997,811.28
  4. Step 4: Simplify right side
    3,556,419.84x = 5,322,764,803,607.71
  5. Step 5: Solve for x
    x = 5,322,764,803,607.71/3,556,419.84
  6. Step 6: Final answer
    x = 1,496,663.79

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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.