Finding the Fourth Proportional to 7,258,511.80, 10,887,472.42 and 1,793,468.99
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Solution
The fourth proportional to 7,258,511.80, 10,887,472.42 and 1,793,468.99 is: 2,690,130.53
Step by Step Solution
- Step 1: Write the proportion equation
7,258,511.80 : 10,887,472.42 = 1,793,468.99 : x - Step 2: Convert to fraction form
7,258,511.80/10,887,472.42 = 1,793,468.99/x - Step 3: Cross multiply
7,258,511.80x = 10,887,472.42 × 1,793,468.99 - Step 4: Simplify right side
7,258,511.80x = 19,526,344,164,750.25 - Step 5: Solve for x
x = 19,526,344,164,750.25/7,258,511.80 - Step 6: Final answer
x = 2,690,130.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.