Finding the Fourth Proportional to 4,109,478.40, 6,164,102.40 and 1,865,612.80
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Solution
The fourth proportional to 4,109,478.40, 6,164,102.40 and 1,865,612.80 is: 2,798,366.90
Step by Step Solution
- Step 1: Write the proportion equation
4,109,478.40 : 6,164,102.40 = 1,865,612.80 : x - Step 2: Convert to fraction form
4,109,478.40/6,164,102.40 = 1,865,612.80/x - Step 3: Cross multiply
4,109,478.40x = 6,164,102.40 × 1,865,612.80 - Step 4: Simplify right side
4,109,478.40x = 11,499,828,337,950.72 - Step 5: Solve for x
x = 11,499,828,337,950.72/4,109,478.40 - Step 6: Final answer
x = 2,798,366.90
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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.