Finding the Fourth Proportional to 1,612,709.75, 2,225,494.68 and 915,117.63
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Solution
The fourth proportional to 1,612,709.75, 2,225,494.68 and 915,117.63 is: 1,262,836.93
Step by Step Solution
- Step 1: Write the proportion equation
1,612,709.75 : 2,225,494.68 = 915,117.63 : x - Step 2: Convert to fraction form
1,612,709.75/2,225,494.68 = 915,117.63/x - Step 3: Cross multiply
1,612,709.75x = 2,225,494.68 × 915,117.63 - Step 4: Simplify right side
1,612,709.75x = 2,036,589,417,139.21 - Step 5: Solve for x
x = 2,036,589,417,139.21/1,612,709.75 - Step 6: Final answer
x = 1,262,836.93
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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.