Finding the Fourth Proportional to 4,251,638.16, 6,375,537.54 and 1,218,309.26
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Solution
The fourth proportional to 4,251,638.16, 6,375,537.54 and 1,218,309.26 is: 1,826,913.79
Step by Step Solution
- Step 1: Write the proportion equation
4,251,638.16 : 6,375,537.54 = 1,218,309.26 : x - Step 2: Convert to fraction form
4,251,638.16/6,375,537.54 = 1,218,309.26/x - Step 3: Cross multiply
4,251,638.16x = 6,375,537.54 × 1,218,309.26 - Step 4: Simplify right side
4,251,638.16x = 7,767,376,390,581.93 - Step 5: Solve for x
x = 7,767,376,390,581.93/4,251,638.16 - Step 6: Final answer
x = 1,826,913.79
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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.