Finding the Fourth Proportional to 2,887,832, 3,976,306.80 and 2,564,981.12
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Solution
The fourth proportional to 2,887,832, 3,976,306.80 and 2,564,981.12 is: 3,531,767.73
Step by Step Solution
- Step 1: Write the proportion equation
2,887,832 : 3,976,306.80 = 2,564,981.12 : x - Step 2: Convert to fraction form
2,887,832/3,976,306.80 = 2,564,981.12/x - Step 3: Cross multiply
2,887,832x = 3,976,306.80 × 2,564,981.12 - Step 4: Simplify right side
2,887,832x = 10,199,151,869,327.62 - Step 5: Solve for x
x = 10,199,151,869,327.62/2,887,832 - Step 6: Final answer
x = 3,531,767.73
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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.