Finding the Fourth Proportional to 5,090,159.68, 7,024,554.48 and 2,798,378.08
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Solution
The fourth proportional to 5,090,159.68, 7,024,554.48 and 2,798,378.08 is: 3,861,835.49
Step by Step Solution
- Step 1: Write the proportion equation
5,090,159.68 : 7,024,554.48 = 2,798,378.08 : x - Step 2: Convert to fraction form
5,090,159.68/7,024,554.48 = 2,798,378.08/x - Step 3: Cross multiply
5,090,159.68x = 7,024,554.48 × 2,798,378.08 - Step 4: Simplify right side
5,090,159.68x = 19,657,359,278,597.80 - Step 5: Solve for x
x = 19,657,359,278,597.80/5,090,159.68 - Step 6: Final answer
x = 3,861,835.49
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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.