Finding the Fourth Proportional to 6,358,948.17, 8,775,263.68 and 3,458,276.61
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Solution
The fourth proportional to 6,358,948.17, 8,775,263.68 and 3,458,276.61 is: 4,772,375.61
Step by Step Solution
- Step 1: Write the proportion equation
6,358,948.17 : 8,775,263.68 = 3,458,276.61 : x - Step 2: Convert to fraction form
6,358,948.17/8,775,263.68 = 3,458,276.61/x - Step 3: Cross multiply
6,358,948.17x = 8,775,263.68 × 3,458,276.61 - Step 4: Simplify right side
6,358,948.17x = 30,347,289,131,126.52 - Step 5: Solve for x
x = 30,347,289,131,126.52/6,358,948.17 - Step 6: Final answer
x = 4,772,375.61
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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.