Finding the Fourth Proportional to 6,506,890.23, 8,974,272.68 and 5,720,274.26
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Solution
The fourth proportional to 6,506,890.23, 8,974,272.68 and 5,720,274.26 is: 7,889,375.59
Step by Step Solution
- Step 1: Write the proportion equation
6,506,890.23 : 8,974,272.68 = 5,720,274.26 : x - Step 2: Convert to fraction form
6,506,890.23/8,974,272.68 = 5,720,274.26/x - Step 3: Cross multiply
6,506,890.23x = 8,974,272.68 × 5,720,274.26 - Step 4: Simplify right side
6,506,890.23x = 51,335,300,940,152.48 - Step 5: Solve for x
x = 51,335,300,940,152.48/6,506,890.23 - Step 6: Final answer
x = 7,889,375.59
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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.