Finding the Fourth Proportional to 5,385,955.08, 8,071,952.40 and 2,187,365.52
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Solution
The fourth proportional to 5,385,955.08, 8,071,952.40 and 2,187,365.52 is: 3,278,213.45
Step by Step Solution
- Step 1: Write the proportion equation
5,385,955.08 : 8,071,952.40 = 2,187,365.52 : x - Step 2: Convert to fraction form
5,385,955.08/8,071,952.40 = 2,187,365.52/x - Step 3: Cross multiply
5,385,955.08x = 8,071,952.40 × 2,187,365.52 - Step 4: Simplify right side
5,385,955.08x = 17,656,310,358,841.25 - Step 5: Solve for x
x = 17,656,310,358,841.25/5,385,955.08 - Step 6: Final answer
x = 3,278,213.45
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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.