Finding the Fourth Proportional to 4,405,209.71, 6,067,862.48 and 3,113,829.95
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Solution
The fourth proportional to 4,405,209.71, 6,067,862.48 and 3,113,829.95 is: 4,289,078.88
Step by Step Solution
- Step 1: Write the proportion equation
4,405,209.71 : 6,067,862.48 = 3,113,829.95 : x - Step 2: Convert to fraction form
4,405,209.71/6,067,862.48 = 3,113,829.95/x - Step 3: Cross multiply
4,405,209.71x = 6,067,862.48 × 3,113,829.95 - Step 4: Simplify right side
4,405,209.71x = 18,894,291,900,150.54 - Step 5: Solve for x
x = 18,894,291,900,150.54/4,405,209.71 - Step 6: Final answer
x = 4,289,078.88
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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.