Finding the Fourth Proportional to 1,553,369.14, 2,142,545.16 and 1,036,862.62
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Solution
The fourth proportional to 1,553,369.14, 2,142,545.16 and 1,036,862.62 is: 1,430,133.33
Step by Step Solution
- Step 1: Write the proportion equation
1,553,369.14 : 2,142,545.16 = 1,036,862.62 : x - Step 2: Convert to fraction form
1,553,369.14/2,142,545.16 = 1,036,862.62/x - Step 3: Cross multiply
1,553,369.14x = 2,142,545.16 × 1,036,862.62 - Step 4: Simplify right side
1,553,369.14x = 2,221,524,982,709.56 - Step 5: Solve for x
x = 2,221,524,982,709.56/1,553,369.14 - Step 6: Final answer
x = 1,430,133.33
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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.