Finding the Fourth Proportional to 2,417,991.09, 3,336,827.68 and 1,330,239.32
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Solution
The fourth proportional to 2,417,991.09, 3,336,827.68 and 1,330,239.32 is: 1,835,730.25
Step by Step Solution
- Step 1: Write the proportion equation
2,417,991.09 : 3,336,827.68 = 1,330,239.32 : x - Step 2: Convert to fraction form
2,417,991.09/3,336,827.68 = 1,330,239.32/x - Step 3: Cross multiply
2,417,991.09x = 3,336,827.68 × 1,330,239.32 - Step 4: Simplify right side
2,417,991.09x = 4,438,779,384,000.38 - Step 5: Solve for x
x = 4,438,779,384,000.38/2,417,991.09 - Step 6: Final answer
x = 1,835,730.25
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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.