Finding the Fourth Proportional to 4,753,458.09, 6,560,610.66 and 2,820,784.32
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Solution
The fourth proportional to 4,753,458.09, 6,560,610.66 and 2,820,784.32 is: 3,893,179.94
Step by Step Solution
- Step 1: Write the proportion equation
4,753,458.09 : 6,560,610.66 = 2,820,784.32 : x - Step 2: Convert to fraction form
4,753,458.09/6,560,610.66 = 2,820,784.32/x - Step 3: Cross multiply
4,753,458.09x = 6,560,610.66 × 2,820,784.32 - Step 4: Simplify right side
4,753,458.09x = 18,506,067,679,352.85 - Step 5: Solve for x
x = 18,506,067,679,352.85/4,753,458.09 - Step 6: Final answer
x = 3,893,179.94
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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.