Finding the Fourth Proportional to 5,435,696.16, 8,147,565.63 and 2,239,078.95
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Solution
The fourth proportional to 5,435,696.16, 8,147,565.63 and 2,239,078.95 is: 3,356,155.71
Step by Step Solution
- Step 1: Write the proportion equation
5,435,696.16 : 8,147,565.63 = 2,239,078.95 : x - Step 2: Convert to fraction form
5,435,696.16/8,147,565.63 = 2,239,078.95/x - Step 3: Cross multiply
5,435,696.16x = 8,147,565.63 × 2,239,078.95 - Step 4: Simplify right side
5,435,696.16x = 18,243,042,695,876.49 - Step 5: Solve for x
x = 18,243,042,695,876.49/5,435,696.16 - Step 6: Final answer
x = 3,356,155.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.