Finding the Fourth Proportional to 2,130,531.80, 3,195,797.70 and 1,333,370.30
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Solution
The fourth proportional to 2,130,531.80, 3,195,797.70 and 1,333,370.30 is: 2,000,055.45
Step by Step Solution
- Step 1: Write the proportion equation
2,130,531.80 : 3,195,797.70 = 1,333,370.30 : x - Step 2: Convert to fraction form
2,130,531.80/3,195,797.70 = 1,333,370.30/x - Step 3: Cross multiply
2,130,531.80x = 3,195,797.70 × 1,333,370.30 - Step 4: Simplify right side
2,130,531.80x = 4,261,181,737,988.31 - Step 5: Solve for x
x = 4,261,181,737,988.31/2,130,531.80 - Step 6: Final answer
x = 2,000,055.45
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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.