Finding the Fourth Proportional to 1,427,291.46, 2,141,023.68 and 574,359.80
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Solution
The fourth proportional to 1,427,291.46, 2,141,023.68 and 574,359.80 is: 861,574.50
Step by Step Solution
- Step 1: Write the proportion equation
1,427,291.46 : 2,141,023.68 = 574,359.80 : x - Step 2: Convert to fraction form
1,427,291.46/2,141,023.68 = 574,359.80/x - Step 3: Cross multiply
1,427,291.46x = 2,141,023.68 × 574,359.80 - Step 4: Simplify right side
1,427,291.46x = 1,229,717,921,934.95 - Step 5: Solve for x
x = 1,229,717,921,934.95/1,427,291.46 - Step 6: Final answer
x = 861,574.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.