Finding the Fourth Proportional to 4,892,880.95, 6,752,259.20 and 2,687,836.79
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Solution
The fourth proportional to 4,892,880.95, 6,752,259.20 and 2,687,836.79 is: 3,709,260.63
Step by Step Solution
- Step 1: Write the proportion equation
4,892,880.95 : 6,752,259.20 = 2,687,836.79 : x - Step 2: Convert to fraction form
4,892,880.95/6,752,259.20 = 2,687,836.79/x - Step 3: Cross multiply
4,892,880.95x = 6,752,259.20 × 2,687,836.79 - Step 4: Simplify right side
4,892,880.95x = 18,148,970,666,334.27 - Step 5: Solve for x
x = 18,148,970,666,334.27/4,892,880.95 - Step 6: Final answer
x = 3,709,260.63
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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.