Finding the Fourth Proportional to 1,476,712.10, 2,214,412.05 and 577,855.10
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Solution
The fourth proportional to 1,476,712.10, 2,214,412.05 and 577,855.10 is: 866,525.91
Step by Step Solution
- Step 1: Write the proportion equation
1,476,712.10 : 2,214,412.05 = 577,855.10 : x - Step 2: Convert to fraction form
1,476,712.10/2,214,412.05 = 577,855.10/x - Step 3: Cross multiply
1,476,712.10x = 2,214,412.05 × 577,855.10 - Step 4: Simplify right side
1,476,712.10x = 1,279,609,296,593.95 - Step 5: Solve for x
x = 1,279,609,296,593.95/1,476,712.10 - Step 6: Final answer
x = 866,525.91
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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.