Finding the Fourth Proportional to 1,644,372.30, 2,467,660.05 and 579,416.70
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Solution
The fourth proportional to 1,644,372.30, 2,467,660.05 and 579,416.70 is: 869,513.21
Step by Step Solution
- Step 1: Write the proportion equation
1,644,372.30 : 2,467,660.05 = 579,416.70 : x - Step 2: Convert to fraction form
1,644,372.30/2,467,660.05 = 579,416.70/x - Step 3: Cross multiply
1,644,372.30x = 2,467,660.05 × 579,416.70 - Step 4: Simplify right side
1,644,372.30x = 1,429,803,442,892.83 - Step 5: Solve for x
x = 1,429,803,442,892.83/1,644,372.30 - Step 6: Final answer
x = 869,513.21
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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.