Finding the Fourth Proportional to 2,636,560.19, 3,638,420.30 and 1,548,930.92
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Solution
The fourth proportional to 2,636,560.19, 3,638,420.30 and 1,548,930.92 is: 2,137,505.41
Step by Step Solution
- Step 1: Write the proportion equation
2,636,560.19 : 3,638,420.30 = 1,548,930.92 : x - Step 2: Convert to fraction form
2,636,560.19/3,638,420.30 = 1,548,930.92/x - Step 3: Cross multiply
2,636,560.19x = 3,638,420.30 × 1,548,930.92 - Step 4: Simplify right side
2,636,560.19x = 5,635,661,688,305.90 - Step 5: Solve for x
x = 5,635,661,688,305.90/2,636,560.19 - Step 6: Final answer
x = 2,137,505.41
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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.