Finding the Fourth Proportional to 4,788,145.14, 6,607,799.79 and 2,612,807.66
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Solution
The fourth proportional to 4,788,145.14, 6,607,799.79 and 2,612,807.66 is: 3,605,761.61
Step by Step Solution
- Step 1: Write the proportion equation
4,788,145.14 : 6,607,799.79 = 2,612,807.66 : x - Step 2: Convert to fraction form
4,788,145.14/6,607,799.79 = 2,612,807.66/x - Step 3: Cross multiply
4,788,145.14x = 6,607,799.79 × 2,612,807.66 - Step 4: Simplify right side
4,788,145.14x = 17,264,909,921,724.66 - Step 5: Solve for x
x = 17,264,909,921,724.66/4,788,145.14 - Step 6: Final answer
x = 3,605,761.61
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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.