Finding the Fourth Proportional to 2,134,253.18, 3,201,385.19 and 872,080.80
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Solution
The fourth proportional to 2,134,253.18, 3,201,385.19 and 872,080.80 is: 1,308,123.41
Step by Step Solution
- Step 1: Write the proportion equation
2,134,253.18 : 3,201,385.19 = 872,080.80 : x - Step 2: Convert to fraction form
2,134,253.18/3,201,385.19 = 872,080.80/x - Step 3: Cross multiply
2,134,253.18x = 3,201,385.19 × 872,080.80 - Step 4: Simplify right side
2,134,253.18x = 2,791,866,557,603.35 - Step 5: Solve for x
x = 2,791,866,557,603.35/2,134,253.18 - Step 6: Final answer
x = 1,308,123.41
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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.