Finding the Fourth Proportional to 4,316,487.20, 6,474,730.80 and 3,476,679.20
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Solution
The fourth proportional to 4,316,487.20, 6,474,730.80 and 3,476,679.20 is: 5,215,018.80
Step by Step Solution
- Step 1: Write the proportion equation
4,316,487.20 : 6,474,730.80 = 3,476,679.20 : x - Step 2: Convert to fraction form
4,316,487.20/6,474,730.80 = 3,476,679.20/x - Step 3: Cross multiply
4,316,487.20x = 6,474,730.80 × 3,476,679.20 - Step 4: Simplify right side
4,316,487.20x = 22,510,561,897,959.36 - Step 5: Solve for x
x = 22,510,561,897,959.36/4,316,487.20 - Step 6: Final answer
x = 5,215,018.80
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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.