Finding the Fourth Proportional to 6,134,668.38, 8,465,875.95 and 3,557,876.94
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Solution
The fourth proportional to 6,134,668.38, 8,465,875.95 and 3,557,876.94 is: 4,909,889.66
Step by Step Solution
- Step 1: Write the proportion equation
6,134,668.38 : 8,465,875.95 = 3,557,876.94 : x - Step 2: Convert to fraction form
6,134,668.38/8,465,875.95 = 3,557,876.94/x - Step 3: Cross multiply
6,134,668.38x = 8,465,875.95 × 3,557,876.94 - Step 4: Simplify right side
6,134,668.38x = 30,120,544,819,405.59 - Step 5: Solve for x
x = 30,120,544,819,405.59/6,134,668.38 - Step 6: Final answer
x = 4,909,889.66
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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.