Finding the Fourth Proportional to 2,267,520.87, 3,129,178.68 and 1,248,925.62
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Solution
The fourth proportional to 2,267,520.87, 3,129,178.68 and 1,248,925.62 is: 1,723,517.29
Step by Step Solution
- Step 1: Write the proportion equation
2,267,520.87 : 3,129,178.68 = 1,248,925.62 : x - Step 2: Convert to fraction form
2,267,520.87/3,129,178.68 = 1,248,925.62/x - Step 3: Cross multiply
2,267,520.87x = 3,129,178.68 × 1,248,925.62 - Step 4: Simplify right side
2,267,520.87x = 3,908,111,423,009.78 - Step 5: Solve for x
x = 3,908,111,423,009.78/2,267,520.87 - Step 6: Final answer
x = 1,723,517.29
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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.