Finding the Fourth Proportional to 4,787,070.91, 6,606,126.10 and 2,722,086.63
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Solution
The fourth proportional to 4,787,070.91, 6,606,126.10 and 2,722,086.63 is: 3,756,461.49
Step by Step Solution
- Step 1: Write the proportion equation
4,787,070.91 : 6,606,126.10 = 2,722,086.63 : x - Step 2: Convert to fraction form
4,787,070.91/6,606,126.10 = 2,722,086.63/x - Step 3: Cross multiply
4,787,070.91x = 6,606,126.10 × 2,722,086.63 - Step 4: Simplify right side
4,787,070.91x = 17,982,447,500,641.02 - Step 5: Solve for x
x = 17,982,447,500,641.02/4,787,070.91 - Step 6: Final answer
x = 3,756,461.49
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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.