Finding the Fourth Proportional to 2,158,230.19, 2,979,244.58 and 1,472,166.67
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Solution
The fourth proportional to 2,158,230.19, 2,979,244.58 and 1,472,166.67 is: 2,032,194.99
Step by Step Solution
- Step 1: Write the proportion equation
2,158,230.19 : 2,979,244.58 = 1,472,166.67 : x - Step 2: Convert to fraction form
2,158,230.19/2,979,244.58 = 1,472,166.67/x - Step 3: Cross multiply
2,158,230.19x = 2,979,244.58 × 1,472,166.67 - Step 4: Simplify right side
2,158,230.19x = 4,385,944,572,454.15 - Step 5: Solve for x
x = 4,385,944,572,454.15/2,158,230.19 - Step 6: Final answer
x = 2,032,194.99
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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.