Finding the Fourth Proportional to 5,328,543.75, 7,353,565.35 and 2,914,095.75
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Solution
The fourth proportional to 5,328,543.75, 7,353,565.35 and 2,914,095.75 is: 4,021,547.83
Step by Step Solution
- Step 1: Write the proportion equation
5,328,543.75 : 7,353,565.35 = 2,914,095.75 : x - Step 2: Convert to fraction form
5,328,543.75/7,353,565.35 = 2,914,095.75/x - Step 3: Cross multiply
5,328,543.75x = 7,353,565.35 × 2,914,095.75 - Step 4: Simplify right side
5,328,543.75x = 21,428,993,533,782.26 - Step 5: Solve for x
x = 21,428,993,533,782.26/5,328,543.75 - Step 6: Final answer
x = 4,021,547.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.