Finding the Fourth Proportional to 3,225,932.40, 4,451,497.56 and 1,867,897.20
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Solution
The fourth proportional to 3,225,932.40, 4,451,497.56 and 1,867,897.20 is: 2,577,530.71
Step by Step Solution
- Step 1: Write the proportion equation
3,225,932.40 : 4,451,497.56 = 1,867,897.20 : x - Step 2: Convert to fraction form
3,225,932.40/4,451,497.56 = 1,867,897.20/x - Step 3: Cross multiply
3,225,932.40x = 4,451,497.56 × 1,867,897.20 - Step 4: Simplify right side
3,225,932.40x = 8,314,939,828,130.83 - Step 5: Solve for x
x = 8,314,939,828,130.83/3,225,932.40 - Step 6: Final answer
x = 2,577,530.71
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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.