Finding the Fourth Proportional to 4,329,474.40, 6,492,680.70 and 1,488,925.90
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Solution
The fourth proportional to 4,329,474.40, 6,492,680.70 and 1,488,925.90 is: 2,232,862.37
Step by Step Solution
- Step 1: Write the proportion equation
4,329,474.40 : 6,492,680.70 = 1,488,925.90 : x - Step 2: Convert to fraction form
4,329,474.40/6,492,680.70 = 1,488,925.90/x - Step 3: Cross multiply
4,329,474.40x = 6,492,680.70 × 1,488,925.90 - Step 4: Simplify right side
4,329,474.40x = 9,667,120,454,660.13 - Step 5: Solve for x
x = 9,667,120,454,660.13/4,329,474.40 - Step 6: Final answer
x = 2,232,862.37
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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.