Finding the Fourth Proportional to 5,177,117.84, 7,144,444.26 and 2,853,959.36
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Solution
The fourth proportional to 5,177,117.84, 7,144,444.26 and 2,853,959.36 is: 3,938,475.84
Step by Step Solution
- Step 1: Write the proportion equation
5,177,117.84 : 7,144,444.26 = 2,853,959.36 : x - Step 2: Convert to fraction form
5,177,117.84/7,144,444.26 = 2,853,959.36/x - Step 3: Cross multiply
5,177,117.84x = 7,144,444.26 × 2,853,959.36 - Step 4: Simplify right side
5,177,117.84x = 20,389,953,532,103.05 - Step 5: Solve for x
x = 20,389,953,532,103.05/5,177,117.84 - Step 6: Final answer
x = 3,938,475.84
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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.