Finding the Fourth Proportional to 2,181,671.62, 3,010,970.85 and 1,251,719.80
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Solution
The fourth proportional to 2,181,671.62, 3,010,970.85 and 1,251,719.80 is: 1,727,524.80
Step by Step Solution
- Step 1: Write the proportion equation
2,181,671.62 : 3,010,970.85 = 1,251,719.80 : x - Step 2: Convert to fraction form
2,181,671.62/3,010,970.85 = 1,251,719.80/x - Step 3: Cross multiply
2,181,671.62x = 3,010,970.85 × 1,251,719.80 - Step 4: Simplify right side
2,181,671.62x = 3,768,891,830,167.83 - Step 5: Solve for x
x = 3,768,891,830,167.83/2,181,671.62 - Step 6: Final answer
x = 1,727,524.80
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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.