Finding the Fourth Proportional to 4,381,422.55, 6,566,259.08 and 3,409,959.82
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Solution
The fourth proportional to 4,381,422.55, 6,566,259.08 and 3,409,959.82 is: 5,110,367.55
Step by Step Solution
- Step 1: Write the proportion equation
4,381,422.55 : 6,566,259.08 = 3,409,959.82 : x - Step 2: Convert to fraction form
4,381,422.55/6,566,259.08 = 3,409,959.82/x - Step 3: Cross multiply
4,381,422.55x = 6,566,259.08 × 3,409,959.82 - Step 4: Simplify right side
4,381,422.55x = 22,390,679,597,044.72 - Step 5: Solve for x
x = 22,390,679,597,044.72/4,381,422.55 - Step 6: Final answer
x = 5,110,367.55
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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.