Finding the Fourth Proportional to 4,165,235.60, 6,248,436.60 and 1,769,061.20
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Solution
The fourth proportional to 4,165,235.60, 6,248,436.60 and 1,769,061.20 is: 2,653,839.50
Step by Step Solution
- Step 1: Write the proportion equation
4,165,235.60 : 6,248,436.60 = 1,769,061.20 : x - Step 2: Convert to fraction form
4,165,235.60/6,248,436.60 = 1,769,061.20/x - Step 3: Cross multiply
4,165,235.60x = 6,248,436.60 × 1,769,061.20 - Step 4: Simplify right side
4,165,235.60x = 11,053,866,749,719.92 - Step 5: Solve for x
x = 11,053,866,749,719.92/4,165,235.60 - Step 6: Final answer
x = 2,653,839.50
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1.5x scale
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.