Finding the Fourth Proportional to 5,206,382.40, 7,184,597.76 and 3,030,988.08
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Solution
The fourth proportional to 5,206,382.40, 7,184,597.76 and 3,030,988.08 is: 4,182,641.32
Step by Step Solution
- Step 1: Write the proportion equation
5,206,382.40 : 7,184,597.76 = 3,030,988.08 : x - Step 2: Convert to fraction form
5,206,382.40/7,184,597.76 = 3,030,988.08/x - Step 3: Cross multiply
5,206,382.40x = 7,184,597.76 × 3,030,988.08 - Step 4: Simplify right side
5,206,382.40x = 21,776,430,170,154.70 - Step 5: Solve for x
x = 21,776,430,170,154.70/5,206,382.40 - Step 6: Final answer
x = 4,182,641.32
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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.