Finding the Fourth Proportional to 2,428,023.36, 3,350,631.90 and 1,340,266.80
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Solution
The fourth proportional to 2,428,023.36, 3,350,631.90 and 1,340,266.80 is: 1,849,545.92
Step by Step Solution
- Step 1: Write the proportion equation
2,428,023.36 : 3,350,631.90 = 1,340,266.80 : x - Step 2: Convert to fraction form
2,428,023.36/3,350,631.90 = 1,340,266.80/x - Step 3: Cross multiply
2,428,023.36x = 3,350,631.90 × 1,340,266.80 - Step 4: Simplify right side
2,428,023.36x = 4,490,740,694,590.92 - Step 5: Solve for x
x = 4,490,740,694,590.92/2,428,023.36 - Step 6: Final answer
x = 1,849,545.92
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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.