Finding the Fourth Proportional to 4,398,121.40, 6,596,963.40 and 2,268,420.80
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Solution
The fourth proportional to 4,398,121.40, 6,596,963.40 and 2,268,420.80 is: 3,402,518.40
Step by Step Solution
- Step 1: Write the proportion equation
4,398,121.40 : 6,596,963.40 = 2,268,420.80 : x - Step 2: Convert to fraction form
4,398,121.40/6,596,963.40 = 2,268,420.80/x - Step 3: Cross multiply
4,398,121.40x = 6,596,963.40 × 2,268,420.80 - Step 4: Simplify right side
4,398,121.40x = 14,964,688,993,398.72 - Step 5: Solve for x
x = 14,964,688,993,398.72/4,398,121.40 - Step 6: Final answer
x = 3,402,518.40
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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.