Finding the Fourth Proportional to 1,890,744.08, 2,609,235.04 and 1,031,322.80
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Solution
The fourth proportional to 1,890,744.08, 2,609,235.04 and 1,031,322.80 is: 1,423,229.94
Step by Step Solution
- Step 1: Write the proportion equation
1,890,744.08 : 2,609,235.04 = 1,031,322.80 : x - Step 2: Convert to fraction form
1,890,744.08/2,609,235.04 = 1,031,322.80/x - Step 3: Cross multiply
1,890,744.08x = 2,609,235.04 × 1,031,322.80 - Step 4: Simplify right side
1,890,744.08x = 2,690,963,587,310.91 - Step 5: Solve for x
x = 2,690,963,587,310.91/1,890,744.08 - Step 6: Final answer
x = 1,423,229.94
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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.