Finding the Fourth Proportional to 1,689,929.76, 2,332,157.28 and 926,031.84
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Solution
The fourth proportional to 1,689,929.76, 2,332,157.28 and 926,031.84 is: 1,277,953.65
Step by Step Solution
- Step 1: Write the proportion equation
1,689,929.76 : 2,332,157.28 = 926,031.84 : x - Step 2: Convert to fraction form
1,689,929.76/2,332,157.28 = 926,031.84/x - Step 3: Cross multiply
1,689,929.76x = 2,332,157.28 × 926,031.84 - Step 4: Simplify right side
1,689,929.76x = 2,159,651,897,167.80 - Step 5: Solve for x
x = 2,159,651,897,167.80/1,689,929.76 - Step 6: Final answer
x = 1,277,953.65
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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.