Finding the Fourth Proportional to 1,468,135.78, 2,201,491.70 and 861,122.45
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Solution
The fourth proportional to 1,468,135.78, 2,201,491.70 and 861,122.45 is: 1,291,266.08
Step by Step Solution
- Step 1: Write the proportion equation
1,468,135.78 : 2,201,491.70 = 861,122.45 : x - Step 2: Convert to fraction form
1,468,135.78/2,201,491.70 = 861,122.45/x - Step 3: Cross multiply
1,468,135.78x = 2,201,491.70 × 861,122.45 - Step 4: Simplify right side
1,468,135.78x = 1,895,753,926,358.67 - Step 5: Solve for x
x = 1,895,753,926,358.67/1,468,135.78 - Step 6: Final answer
x = 1,291,266.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.