Finding the Fourth Proportional to 2,695,615.20, 3,719,966.99 and 1,471,929.26
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Solution
The fourth proportional to 2,695,615.20, 3,719,966.99 and 1,471,929.26 is: 2,031,272.21
Step by Step Solution
- Step 1: Write the proportion equation
2,695,615.20 : 3,719,966.99 = 1,471,929.26 : x - Step 2: Convert to fraction form
2,695,615.20/3,719,966.99 = 1,471,929.26/x - Step 3: Cross multiply
2,695,615.20x = 3,719,966.99 × 1,471,929.26 - Step 4: Simplify right side
2,695,615.20x = 5,475,528,232,855.65 - Step 5: Solve for x
x = 5,475,528,232,855.65/2,695,615.20 - Step 6: Final answer
x = 2,031,272.21
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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.