Finding the Fourth Proportional to 4,621,711.52, 6,375,812.70 and 2,990,646.04
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Solution
The fourth proportional to 4,621,711.52, 6,375,812.70 and 2,990,646.04 is: 4,125,700.82
Step by Step Solution
- Step 1: Write the proportion equation
4,621,711.52 : 6,375,812.70 = 2,990,646.04 : x - Step 2: Convert to fraction form
4,621,711.52/6,375,812.70 = 2,990,646.04/x - Step 3: Cross multiply
4,621,711.52x = 6,375,812.70 × 2,990,646.04 - Step 4: Simplify right side
4,621,711.52x = 19,067,799,003,036.71 - Step 5: Solve for x
x = 19,067,799,003,036.71/4,621,711.52 - Step 6: Final answer
x = 4,125,700.82
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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.