Finding the Fourth Proportional to 1,857,402.12, 2,563,244.28 and 1,041,787.20
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Solution
The fourth proportional to 1,857,402.12, 2,563,244.28 and 1,041,787.20 is: 1,437,682.80
Step by Step Solution
- Step 1: Write the proportion equation
1,857,402.12 : 2,563,244.28 = 1,041,787.20 : x - Step 2: Convert to fraction form
1,857,402.12/2,563,244.28 = 1,041,787.20/x - Step 3: Cross multiply
1,857,402.12x = 2,563,244.28 × 1,041,787.20 - Step 4: Simplify right side
1,857,402.12x = 2,670,355,081,377.22 - Step 5: Solve for x
x = 2,670,355,081,377.22/1,857,402.12 - Step 6: Final answer
x = 1,437,682.80
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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.