Finding the Fourth Proportional to 4,145,098.72, 6,218,486.16 and 1,748,948.32
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Solution
The fourth proportional to 4,145,098.72, 6,218,486.16 and 1,748,948.32 is: 2,623,776.09
Step by Step Solution
- Step 1: Write the proportion equation
4,145,098.72 : 6,218,486.16 = 1,748,948.32 : x - Step 2: Convert to fraction form
4,145,098.72/6,218,486.16 = 1,748,948.32/x - Step 3: Cross multiply
4,145,098.72x = 6,218,486.16 × 1,748,948.32 - Step 4: Simplify right side
4,145,098.72x = 10,875,810,922,475.25 - Step 5: Solve for x
x = 10,875,810,922,475.25/4,145,098.72 - Step 6: Final answer
x = 2,623,776.09
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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.