Home / 6,191,707.70-9,288,436.35-1,931,431.70

Finding the Fourth Proportional to 6,191,707.70, 9,288,436.35 and 1,931,431.70

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Solution

The fourth proportional to 6,191,707.70, 9,288,436.35 and 1,931,431.70 is: 2,897,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191,707.70 : 9,288,436.35 = 1,931,431.70 : x
  2. Step 2: Convert to fraction form
    6,191,707.70/9,288,436.35 = 1,931,431.70/x
  3. Step 3: Cross multiply
    6,191,707.70x = 9,288,436.35 × 1,931,431.70
  4. Step 4: Simplify right side
    6,191,707.70x = 17,939,980,409,822.29
  5. Step 5: Solve for x
    x = 17,939,980,409,822.29/6,191,707.70
  6. Step 6: Final answer
    x = 2,897,420.43

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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.