Finding the Fourth Proportional to 2,803,225.14, 4,201,965.18 and 2,127,876.78
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Solution
The fourth proportional to 2,803,225.14, 4,201,965.18 and 2,127,876.78 is: 3,189,634.69
Step by Step Solution
- Step 1: Write the proportion equation
2,803,225.14 : 4,201,965.18 = 2,127,876.78 : x - Step 2: Convert to fraction form
2,803,225.14/4,201,965.18 = 2,127,876.78/x - Step 3: Cross multiply
2,803,225.14x = 4,201,965.18 × 2,127,876.78 - Step 4: Simplify right side
2,803,225.14x = 8,941,264,136,890.52 - Step 5: Solve for x
x = 8,941,264,136,890.52/2,803,225.14 - Step 6: Final answer
x = 3,189,634.69
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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.