Finding the Fourth Proportional to 5,357,555.97, 7,393,564.76 and 2,910,307.07
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Solution
The fourth proportional to 5,357,555.97, 7,393,564.76 and 2,910,307.07 is: 4,016,298.46
Step by Step Solution
- Step 1: Write the proportion equation
5,357,555.97 : 7,393,564.76 = 2,910,307.07 : x - Step 2: Convert to fraction form
5,357,555.97/7,393,564.76 = 2,910,307.07/x - Step 3: Cross multiply
5,357,555.97x = 7,393,564.76 × 2,910,307.07 - Step 4: Simplify right side
5,357,555.97x = 21,517,543,793,530.85 - Step 5: Solve for x
x = 21,517,543,793,530.85/5,357,555.97 - Step 6: Final answer
x = 4,016,298.46
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1.5x scale
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.