Finding the Fourth Proportional to 1,384,894.74, 1,912,167.23 and 895,154.02
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Solution
The fourth proportional to 1,384,894.74, 1,912,167.23 and 895,154.02 is: 1,235,966.99
Step by Step Solution
- Step 1: Write the proportion equation
1,384,894.74 : 1,912,167.23 = 895,154.02 : x - Step 2: Convert to fraction form
1,384,894.74/1,912,167.23 = 895,154.02/x - Step 3: Cross multiply
1,384,894.74x = 1,912,167.23 × 895,154.02 - Step 4: Simplify right side
1,384,894.74x = 1,711,684,184,175.15 - Step 5: Solve for x
x = 1,711,684,184,175.15/1,384,894.74 - Step 6: Final answer
x = 1,235,966.99
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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.