Finding the Fourth Proportional to 4,187,759.20, 6,281,638.80 and 1,495,124.80
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Solution
The fourth proportional to 4,187,759.20, 6,281,638.80 and 1,495,124.80 is: 2,242,687.20
Step by Step Solution
- Step 1: Write the proportion equation
4,187,759.20 : 6,281,638.80 = 1,495,124.80 : x - Step 2: Convert to fraction form
4,187,759.20/6,281,638.80 = 1,495,124.80/x - Step 3: Cross multiply
4,187,759.20x = 6,281,638.80 × 1,495,124.80 - Step 4: Simplify right side
4,187,759.20x = 9,391,833,954,522.24 - Step 5: Solve for x
x = 9,391,833,954,522.24/4,187,759.20 - Step 6: Final answer
x = 2,242,687.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.