Finding the Fourth Proportional to 5,656,926.75, 7,806,409.33 and 3,078,552.17
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Solution
The fourth proportional to 5,656,926.75, 7,806,409.33 and 3,078,552.17 is: 4,248,320.59
Step by Step Solution
- Step 1: Write the proportion equation
5,656,926.75 : 7,806,409.33 = 3,078,552.17 : x - Step 2: Convert to fraction form
5,656,926.75/7,806,409.33 = 3,078,552.17/x - Step 3: Cross multiply
5,656,926.75x = 7,806,409.33 × 3,078,552.17 - Step 4: Simplify right side
5,656,926.75x = 24,032,438,382,779.75 - Step 5: Solve for x
x = 24,032,438,382,779.75/5,656,926.75 - Step 6: Final answer
x = 4,248,320.59
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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.