Finding the Fourth Proportional to 4,917,360.79, 6,786,041.49 and 2,712,476.60
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Solution
The fourth proportional to 4,917,360.79, 6,786,041.49 and 2,712,476.60 is: 3,743,263.82
Step by Step Solution
- Step 1: Write the proportion equation
4,917,360.79 : 6,786,041.49 = 2,712,476.60 : x - Step 2: Convert to fraction form
4,917,360.79/6,786,041.49 = 2,712,476.60/x - Step 3: Cross multiply
4,917,360.79x = 6,786,041.49 × 2,712,476.60 - Step 4: Simplify right side
4,917,360.79x = 18,406,978,739,771.58 - Step 5: Solve for x
x = 18,406,978,739,771.58/4,917,360.79 - Step 6: Final answer
x = 3,743,263.82
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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.