Finding the Fourth Proportional to 1,676,584.03, 2,309,278.57 and 1,288,657.63
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Solution
The fourth proportional to 1,676,584.03, 2,309,278.57 and 1,288,657.63 is: 1,774,959.92
Step by Step Solution
- Step 1: Write the proportion equation
1,676,584.03 : 2,309,278.57 = 1,288,657.63 : x - Step 2: Convert to fraction form
1,676,584.03/2,309,278.57 = 1,288,657.63/x - Step 3: Cross multiply
1,676,584.03x = 2,309,278.57 × 1,288,657.63 - Step 4: Simplify right side
1,676,584.03x = 2,975,869,449,025.99 - Step 5: Solve for x
x = 2,975,869,449,025.99/1,676,584.03 - Step 6: Final answer
x = 1,774,959.92
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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.