Finding the Fourth Proportional to 5,345,259.68, 7,377,257.04 and 4,207,898.72
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Solution
The fourth proportional to 5,345,259.68, 7,377,257.04 and 4,207,898.72 is: 5,807,528.97
Step by Step Solution
- Step 1: Write the proportion equation
5,345,259.68 : 7,377,257.04 = 4,207,898.72 : x - Step 2: Convert to fraction form
5,345,259.68/7,377,257.04 = 4,207,898.72/x - Step 3: Cross multiply
5,345,259.68x = 7,377,257.04 × 4,207,898.72 - Step 4: Simplify right side
5,345,259.68x = 31,042,750,455,726.99 - Step 5: Solve for x
x = 31,042,750,455,726.99/5,345,259.68 - Step 6: Final answer
x = 5,807,528.97
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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.