Finding the Fourth Proportional to 4,091,970.18, 5,645,931.33 and 2,641,354.95
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Solution
The fourth proportional to 4,091,970.18, 5,645,931.33 and 2,641,354.95 is: 3,644,432.39
Step by Step Solution
- Step 1: Write the proportion equation
4,091,970.18 : 5,645,931.33 = 2,641,354.95 : x - Step 2: Convert to fraction form
4,091,970.18/5,645,931.33 = 2,641,354.95/x - Step 3: Cross multiply
4,091,970.18x = 5,645,931.33 × 2,641,354.95 - Step 4: Simplify right side
4,091,970.18x = 14,912,908,665,855.58 - Step 5: Solve for x
x = 14,912,908,665,855.58/4,091,970.18 - Step 6: Final answer
x = 3,644,432.39
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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.