Finding the Fourth Proportional to 2,956,726.79, 4,080,275.29 and 1,649,965.12
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Solution
The fourth proportional to 2,956,726.79, 4,080,275.29 and 1,649,965.12 is: 2,276,947.58
Step by Step Solution
- Step 1: Write the proportion equation
2,956,726.79 : 4,080,275.29 = 1,649,965.12 : x - Step 2: Convert to fraction form
2,956,726.79/4,080,275.29 = 1,649,965.12/x - Step 3: Cross multiply
2,956,726.79x = 4,080,275.29 × 1,649,965.12 - Step 4: Simplify right side
2,956,726.79x = 6,732,311,908,497.89 - Step 5: Solve for x
x = 6,732,311,908,497.89/2,956,726.79 - Step 6: Final answer
x = 2,276,947.58
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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.