Finding the Fourth Proportional to 2,866,686.32, 3,955,927.92 and 1,577,406.08
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Solution
The fourth proportional to 2,866,686.32, 3,955,927.92 and 1,577,406.08 is: 2,176,765.80
Step by Step Solution
- Step 1: Write the proportion equation
2,866,686.32 : 3,955,927.92 = 1,577,406.08 : x - Step 2: Convert to fraction form
2,866,686.32/3,955,927.92 = 1,577,406.08/x - Step 3: Cross multiply
2,866,686.32x = 3,955,927.92 × 1,577,406.08 - Step 4: Simplify right side
2,866,686.32x = 6,240,104,753,049.75 - Step 5: Solve for x
x = 6,240,104,753,049.75/2,866,686.32 - Step 6: Final answer
x = 2,176,765.80
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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.