Finding the Fourth Proportional to 4,152,613.80, 6,228,920.70 and 1,913,125.80
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Solution
The fourth proportional to 4,152,613.80, 6,228,920.70 and 1,913,125.80 is: 2,869,688.70
Step by Step Solution
- Step 1: Write the proportion equation
4,152,613.80 : 6,228,920.70 = 1,913,125.80 : x - Step 2: Convert to fraction form
4,152,613.80/6,228,920.70 = 1,913,125.80/x - Step 3: Cross multiply
4,152,613.80x = 6,228,920.70 × 1,913,125.80 - Step 4: Simplify right side
4,152,613.80x = 11,916,708,897,324.06 - Step 5: Solve for x
x = 11,916,708,897,324.06/4,152,613.80 - Step 6: Final answer
x = 2,869,688.70
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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.