Finding the Fourth Proportional to 5,285,881.68, 7,928,146.17 and 1,691,347.92
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Solution
The fourth proportional to 5,285,881.68, 7,928,146.17 and 1,691,347.92 is: 2,536,805.47
Step by Step Solution
- Step 1: Write the proportion equation
5,285,881.68 : 7,928,146.17 = 1,691,347.92 : x - Step 2: Convert to fraction form
5,285,881.68/7,928,146.17 = 1,691,347.92/x - Step 3: Cross multiply
5,285,881.68x = 7,928,146.17 × 1,691,347.92 - Step 4: Simplify right side
5,285,881.68x = 13,409,253,534,085.46 - Step 5: Solve for x
x = 13,409,253,534,085.46/5,285,881.68 - Step 6: Final answer
x = 2,536,805.47
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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.