Finding the Fourth Proportional to 7,897,270.68, 11,846,628.95 and 2,217,456.72
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Solution
The fourth proportional to 7,897,270.68, 11,846,628.95 and 2,217,456.72 is: 3,326,388.07
Step by Step Solution
- Step 1: Write the proportion equation
7,897,270.68 : 11,846,628.95 = 2,217,456.72 : x - Step 2: Convert to fraction form
7,897,270.68/11,846,628.95 = 2,217,456.72/x - Step 3: Cross multiply
7,897,270.68x = 11,846,628.95 × 2,217,456.72 - Step 4: Simplify right side
7,897,270.68x = 26,269,386,963,436.76 - Step 5: Solve for x
x = 26,269,386,963,436.76/7,897,270.68 - Step 6: Final answer
x = 3,326,388.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.