Finding the Fourth Proportional to 5,656,971.52, 7,806,470.96 and 3,078,596.80
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Solution
The fourth proportional to 5,656,971.52, 7,806,470.96 and 3,078,596.80 is: 4,248,382.09
Step by Step Solution
- Step 1: Write the proportion equation
5,656,971.52 : 7,806,470.96 = 3,078,596.80 : x - Step 2: Convert to fraction form
5,656,971.52/7,806,470.96 = 3,078,596.80/x - Step 3: Cross multiply
5,656,971.52x = 7,806,470.96 × 3,078,596.80 - Step 4: Simplify right side
5,656,971.52x = 24,032,976,516,748.93 - Step 5: Solve for x
x = 24,032,976,516,748.93/5,656,971.52 - Step 6: Final answer
x = 4,248,382.09
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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.