Finding the Fourth Proportional to 3,476,246.60, 5,220,274.80 and 2,578,701.80
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Solution
The fourth proportional to 3,476,246.60, 5,220,274.80 and 2,578,701.80 is: 3,872,432.99
Step by Step Solution
- Step 1: Write the proportion equation
3,476,246.60 : 5,220,274.80 = 2,578,701.80 : x - Step 2: Convert to fraction form
3,476,246.60/5,220,274.80 = 2,578,701.80/x - Step 3: Cross multiply
3,476,246.60x = 5,220,274.80 × 2,578,701.80 - Step 4: Simplify right side
3,476,246.60x = 13,461,532,023,254.64 - Step 5: Solve for x
x = 13,461,532,023,254.64/3,476,246.60 - Step 6: Final answer
x = 3,872,432.99
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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.