Finding the Fourth Proportional to 5,560,984.30, 8,341,476.45 and 4,366,590.70
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Solution
The fourth proportional to 5,560,984.30, 8,341,476.45 and 4,366,590.70 is: 6,549,886.05
Step by Step Solution
- Step 1: Write the proportion equation
5,560,984.30 : 8,341,476.45 = 4,366,590.70 : x - Step 2: Convert to fraction form
5,560,984.30/8,341,476.45 = 4,366,590.70/x - Step 3: Cross multiply
5,560,984.30x = 8,341,476.45 × 4,366,590.70 - Step 4: Simplify right side
5,560,984.30x = 36,423,813,490,839.02 - Step 5: Solve for x
x = 36,423,813,490,839.02/5,560,984.30 - Step 6: Final answer
x = 6,549,886.05
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Double scale
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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.