Finding the Fourth Proportional to 6,112,456.79, 9,168,989.74 and 2,326,233.11
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Solution
The fourth proportional to 6,112,456.79, 9,168,989.74 and 2,326,233.11 is: 3,489,465.56
Step by Step Solution
- Step 1: Write the proportion equation
6,112,456.79 : 9,168,989.74 = 2,326,233.11 : x - Step 2: Convert to fraction form
6,112,456.79/9,168,989.74 = 2,326,233.11/x - Step 3: Cross multiply
6,112,456.79x = 9,168,989.74 × 2,326,233.11 - Step 4: Simplify right side
6,112,456.79x = 21,329,207,466,777.76 - Step 5: Solve for x
x = 21,329,207,466,777.76/6,112,456.79 - Step 6: Final answer
x = 3,489,465.56
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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.