Finding the Fourth Proportional to 5,356,161.36, 7,391,478.96 and 2,908,753.20
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Solution
The fourth proportional to 5,356,161.36, 7,391,478.96 and 2,908,753.20 is: 4,014,066.54
Step by Step Solution
- Step 1: Write the proportion equation
5,356,161.36 : 7,391,478.96 = 2,908,753.20 : x - Step 2: Convert to fraction form
5,356,161.36/7,391,478.96 = 2,908,753.20/x - Step 3: Cross multiply
5,356,161.36x = 7,391,478.96 × 2,908,753.20 - Step 4: Simplify right side
5,356,161.36x = 21,499,988,077,632.67 - Step 5: Solve for x
x = 21,499,988,077,632.67/5,356,161.36 - Step 6: Final answer
x = 4,014,066.54
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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.