Finding the Fourth Proportional to 4,178,378.15, 6,268,124.91 and 1,653,442.91
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Solution
The fourth proportional to 4,178,378.15, 6,268,124.91 and 1,653,442.91 is: 2,480,385.04
Step by Step Solution
- Step 1: Write the proportion equation
4,178,378.15 : 6,268,124.91 = 1,653,442.91 : x - Step 2: Convert to fraction form
4,178,378.15/6,268,124.91 = 1,653,442.91/x - Step 3: Cross multiply
4,178,378.15x = 6,268,124.91 × 1,653,442.91 - Step 4: Simplify right side
4,178,378.15x = 10,363,986,660,093.26 - Step 5: Solve for x
x = 10,363,986,660,093.26/4,178,378.15 - Step 6: Final answer
x = 2,480,385.04
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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.