Finding the Fourth Proportional to 1,694,242.80, 2,539,031.40 and 1,124,002.80
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Solution
The fourth proportional to 1,694,242.80, 2,539,031.40 and 1,124,002.80 is: 1,684,456.56
Step by Step Solution
- Step 1: Write the proportion equation
1,694,242.80 : 2,539,031.40 = 1,124,002.80 : x - Step 2: Convert to fraction form
1,694,242.80/2,539,031.40 = 1,124,002.80/x - Step 3: Cross multiply
1,694,242.80x = 2,539,031.40 × 1,124,002.80 - Step 4: Simplify right side
1,694,242.80x = 2,853,878,402,887.92 - Step 5: Solve for x
x = 2,853,878,402,887.92/1,694,242.80 - Step 6: Final answer
x = 1,684,456.56
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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.