Finding the Fourth Proportional to 2,304,686.40, 3,180,173.80 and 1,286,134.08
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Solution
The fourth proportional to 2,304,686.40, 3,180,173.80 and 1,286,134.08 is: 1,774,701.28
Step by Step Solution
- Step 1: Write the proportion equation
2,304,686.40 : 3,180,173.80 = 1,286,134.08 : x - Step 2: Convert to fraction form
2,304,686.40/3,180,173.80 = 1,286,134.08/x - Step 3: Cross multiply
2,304,686.40x = 3,180,173.80 × 1,286,134.08 - Step 4: Simplify right side
2,304,686.40x = 4,090,129,904,503.10 - Step 5: Solve for x
x = 4,090,129,904,503.10/2,304,686.40 - Step 6: Final answer
x = 1,774,701.28
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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.