Finding the Fourth Proportional to 2,268,612.80, 3,403,423.76 and 989,427.12
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Solution
The fourth proportional to 2,268,612.80, 3,403,423.76 and 989,427.12 is: 1,484,360.74
Step by Step Solution
- Step 1: Write the proportion equation
2,268,612.80 : 3,403,423.76 = 989,427.12 : x - Step 2: Convert to fraction form
2,268,612.80/3,403,423.76 = 989,427.12/x - Step 3: Cross multiply
2,268,612.80x = 3,403,423.76 × 989,427.12 - Step 4: Simplify right side
2,268,612.80x = 3,367,439,768,996.37 - Step 5: Solve for x
x = 3,367,439,768,996.37/2,268,612.80 - Step 6: Final answer
x = 1,484,360.74
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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.