Finding the Fourth Proportional to 5,676,291.15, 7,839,798.09 and 4,134,422.13
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Solution
The fourth proportional to 5,676,291.15, 7,839,798.09 and 4,134,422.13 is: 5,710,248.80
Step by Step Solution
- Step 1: Write the proportion equation
5,676,291.15 : 7,839,798.09 = 4,134,422.13 : x - Step 2: Convert to fraction form
5,676,291.15/7,839,798.09 = 4,134,422.13/x - Step 3: Cross multiply
5,676,291.15x = 7,839,798.09 × 4,134,422.13 - Step 4: Simplify right side
5,676,291.15x = 32,413,034,718,027.73 - Step 5: Solve for x
x = 32,413,034,718,027.73/5,676,291.15 - Step 6: Final answer
x = 5,710,248.80
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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.