Finding the Fourth Proportional to 1,690,657.92, 2,536,375.68 and 553,456.80
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Solution
The fourth proportional to 1,690,657.92, 2,536,375.68 and 553,456.80 is: 830,312.48
Step by Step Solution
- Step 1: Write the proportion equation
1,690,657.92 : 2,536,375.68 = 553,456.80 : x - Step 2: Convert to fraction form
1,690,657.92/2,536,375.68 = 553,456.80/x - Step 3: Cross multiply
1,690,657.92x = 2,536,375.68 × 553,456.80 - Step 4: Simplify right side
1,690,657.92x = 1,403,774,367,450.62 - Step 5: Solve for x
x = 1,403,774,367,450.62/1,690,657.92 - Step 6: Final answer
x = 830,312.48
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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.