Finding the Fourth Proportional to 1,436,423.10, 2,154,634.65 and 838,059.90
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Solution
The fourth proportional to 1,436,423.10, 2,154,634.65 and 838,059.90 is: 1,257,089.85
Step by Step Solution
- Step 1: Write the proportion equation
1,436,423.10 : 2,154,634.65 = 838,059.90 : x - Step 2: Convert to fraction form
1,436,423.10/2,154,634.65 = 838,059.90/x - Step 3: Cross multiply
1,436,423.10x = 2,154,634.65 × 838,059.90 - Step 4: Simplify right side
1,436,423.10x = 1,805,712,899,315.54 - Step 5: Solve for x
x = 1,805,712,899,315.54/1,436,423.10 - Step 6: Final answer
x = 1,257,089.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.