Finding the Fourth Proportional to 1,890,717.08, 2,609,197.68 and 1,031,295.80
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Solution
The fourth proportional to 1,890,717.08, 2,609,197.68 and 1,031,295.80 is: 1,423,192.63
Step by Step Solution
- Step 1: Write the proportion equation
1,890,717.08 : 2,609,197.68 = 1,031,295.80 : x - Step 2: Convert to fraction form
1,890,717.08/2,609,197.68 = 1,031,295.80/x - Step 3: Cross multiply
1,890,717.08x = 2,609,197.68 × 1,031,295.80 - Step 4: Simplify right side
1,890,717.08x = 2,690,854,608,753.74 - Step 5: Solve for x
x = 2,690,854,608,753.74/1,890,717.08 - Step 6: Final answer
x = 1,423,192.63
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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.