Finding the Fourth Proportional to 3,710,955.20, 5,566,432.80 and 2,217,963.20
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Solution
The fourth proportional to 3,710,955.20, 5,566,432.80 and 2,217,963.20 is: 3,326,944.80
Step by Step Solution
- Step 1: Write the proportion equation
3,710,955.20 : 5,566,432.80 = 2,217,963.20 : x - Step 2: Convert to fraction form
3,710,955.20/5,566,432.80 = 2,217,963.20/x - Step 3: Cross multiply
3,710,955.20x = 5,566,432.80 × 2,217,963.20 - Step 4: Simplify right side
3,710,955.20x = 12,346,143,105,672.96 - Step 5: Solve for x
x = 12,346,143,105,672.96/3,710,955.20 - Step 6: Final answer
x = 3,326,944.80
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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.