Finding the Fourth Proportional to 2,956,139.18, 4,080,215.18 and 1,667,726.92
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Solution
The fourth proportional to 2,956,139.18, 4,080,215.18 and 1,667,726.92 is: 2,301,882.38
Step by Step Solution
- Step 1: Write the proportion equation
2,956,139.18 : 4,080,215.18 = 1,667,726.92 : x - Step 2: Convert to fraction form
2,956,139.18/4,080,215.18 = 1,667,726.92/x - Step 3: Cross multiply
2,956,139.18x = 4,080,215.18 × 1,667,726.92 - Step 4: Simplify right side
2,956,139.18x = 6,804,684,695,078.65 - Step 5: Solve for x
x = 6,804,684,695,078.65/2,956,139.18 - Step 6: Final answer
x = 2,301,882.38
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1.5x scale
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.