Finding the Fourth Proportional to 2,918,736.18, 4,378,337.55 and 1,025,902.26
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Solution
The fourth proportional to 2,918,736.18, 4,378,337.55 and 1,025,902.26 is: 1,538,935.39
Step by Step Solution
- Step 1: Write the proportion equation
2,918,736.18 : 4,378,337.55 = 1,025,902.26 : x - Step 2: Convert to fraction form
2,918,736.18/4,378,337.55 = 1,025,902.26/x - Step 3: Cross multiply
2,918,736.18x = 4,378,337.55 × 1,025,902.26 - Step 4: Simplify right side
2,918,736.18x = 4,491,746,387,587.86 - Step 5: Solve for x
x = 4,491,746,387,587.86/2,918,736.18 - Step 6: Final answer
x = 1,538,935.39
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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.