Finding the Fourth Proportional to 2,681,702.84, 4,022,005.62 and 787,935.80
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Solution
The fourth proportional to 2,681,702.84, 4,022,005.62 and 787,935.80 is: 1,181,742.50
Step by Step Solution
- Step 1: Write the proportion equation
2,681,702.84 : 4,022,005.62 = 787,935.80 : x - Step 2: Convert to fraction form
2,681,702.84/4,022,005.62 = 787,935.80/x - Step 3: Cross multiply
2,681,702.84x = 4,022,005.62 × 787,935.80 - Step 4: Simplify right side
2,681,702.84x = 3,169,082,215,799.20 - Step 5: Solve for x
x = 3,169,082,215,799.20/2,681,702.84 - Step 6: Final answer
x = 1,181,742.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.