Finding the Fourth Proportional to 1,767,275.28, 2,438,695.63 and 992,864.05
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Solution
The fourth proportional to 1,767,275.28, 2,438,695.63 and 992,864.05 is: 1,370,071.34
Step by Step Solution
- Step 1: Write the proportion equation
1,767,275.28 : 2,438,695.63 = 992,864.05 : x - Step 2: Convert to fraction form
1,767,275.28/2,438,695.63 = 992,864.05/x - Step 3: Cross multiply
1,767,275.28x = 2,438,695.63 × 992,864.05 - Step 4: Simplify right side
1,767,275.28x = 2,421,293,215,063.44 - Step 5: Solve for x
x = 2,421,293,215,063.44/1,767,275.28 - Step 6: Final answer
x = 1,370,071.34
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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.