Finding the Fourth Proportional to 1,787,152.11, 2,466,286.42 and 971,357.71
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Solution
The fourth proportional to 1,787,152.11, 2,466,286.42 and 971,357.71 is: 1,340,482.61
Step by Step Solution
- Step 1: Write the proportion equation
1,787,152.11 : 2,466,286.42 = 971,357.71 : x - Step 2: Convert to fraction form
1,787,152.11/2,466,286.42 = 971,357.71/x - Step 3: Cross multiply
1,787,152.11x = 2,466,286.42 × 971,357.71 - Step 4: Simplify right side
1,787,152.11x = 2,395,646,329,135.30 - Step 5: Solve for x
x = 2,395,646,329,135.30/1,787,152.11 - Step 6: Final answer
x = 1,340,482.61
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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.