Finding the Fourth Proportional to 5,423,773.40, 7,484,899.16 and 2,976,612.14
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Solution
The fourth proportional to 5,423,773.40, 7,484,899.16 and 2,976,612.14 is: 4,107,775.17
Step by Step Solution
- Step 1: Write the proportion equation
5,423,773.40 : 7,484,899.16 = 2,976,612.14 : x - Step 2: Convert to fraction form
5,423,773.40/7,484,899.16 = 2,976,612.14/x - Step 3: Cross multiply
5,423,773.40x = 7,484,899.16 × 2,976,612.14 - Step 4: Simplify right side
5,423,773.40x = 22,279,641,654,024.25 - Step 5: Solve for x
x = 22,279,641,654,024.25/5,423,773.40 - Step 6: Final answer
x = 4,107,775.17
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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.