Finding the Fourth Proportional to 2,098,821.84, 2,896,108.20 and 1,193,423.28
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Solution
The fourth proportional to 2,098,821.84, 2,896,108.20 and 1,193,423.28 is: 1,646,772.91
Step by Step Solution
- Step 1: Write the proportion equation
2,098,821.84 : 2,896,108.20 = 1,193,423.28 : x - Step 2: Convert to fraction form
2,098,821.84/2,896,108.20 = 1,193,423.28/x - Step 3: Cross multiply
2,098,821.84x = 2,896,108.20 × 1,193,423.28 - Step 4: Simplify right side
2,098,821.84x = 3,456,282,947,278.90 - Step 5: Solve for x
x = 3,456,282,947,278.90/2,098,821.84 - Step 6: Final answer
x = 1,646,772.91
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1.5x scale
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.