Finding the Fourth Proportional to 2,391,597.71, 3,298,374.36 and 2,020,876.84
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Solution
The fourth proportional to 2,391,597.71, 3,298,374.36 and 2,020,876.84 is: 2,787,094.31
Step by Step Solution
- Step 1: Write the proportion equation
2,391,597.71 : 3,298,374.36 = 2,020,876.84 : x - Step 2: Convert to fraction form
2,391,597.71/3,298,374.36 = 2,020,876.84/x - Step 3: Cross multiply
2,391,597.71x = 3,298,374.36 × 2,020,876.84 - Step 4: Simplify right side
2,391,597.71x = 6,665,608,345,527.89 - Step 5: Solve for x
x = 6,665,608,345,527.89/2,391,597.71 - Step 6: Final answer
x = 2,787,094.31
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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.