Finding the Fourth Proportional to 5,475,616.53, 7,555,511.39 and 3,152,060.09
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Solution
The fourth proportional to 5,475,616.53, 7,555,511.39 and 3,152,060.09 is: 4,349,359.71
Step by Step Solution
- Step 1: Write the proportion equation
5,475,616.53 : 7,555,511.39 = 3,152,060.09 : x - Step 2: Convert to fraction form
5,475,616.53/7,555,511.39 = 3,152,060.09/x - Step 3: Cross multiply
5,475,616.53x = 7,555,511.39 × 3,152,060.09 - Step 4: Simplify right side
5,475,616.53x = 23,815,425,911,959.42 - Step 5: Solve for x
x = 23,815,425,911,959.42/5,475,616.53 - Step 6: Final answer
x = 4,349,359.71
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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.