Finding the Fourth Proportional to 5,237,783, 7,857,006.60 and 1,643,691.68
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Solution
The fourth proportional to 5,237,783, 7,857,006.60 and 1,643,691.68 is: 2,465,641.74
Step by Step Solution
- Step 1: Write the proportion equation
5,237,783 : 7,857,006.60 = 1,643,691.68 : x - Step 2: Convert to fraction form
5,237,783/7,857,006.60 = 1,643,691.68/x - Step 3: Cross multiply
5,237,783x = 7,857,006.60 × 1,643,691.68 - Step 4: Simplify right side
5,237,783x = 12,914,496,378,125.09 - Step 5: Solve for x
x = 12,914,496,378,125.09/5,237,783 - Step 6: Final answer
x = 2,465,641.74
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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.