Finding the Fourth Proportional to 2,828,691.68, 3,903,677.40 and 1,539,615.56
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Solution
The fourth proportional to 2,828,691.68, 3,903,677.40 and 1,539,615.56 is: 2,124,714.58
Step by Step Solution
- Step 1: Write the proportion equation
2,828,691.68 : 3,903,677.40 = 1,539,615.56 : x - Step 2: Convert to fraction form
2,828,691.68/3,903,677.40 = 1,539,615.56/x - Step 3: Cross multiply
2,828,691.68x = 3,903,677.40 × 1,539,615.56 - Step 4: Simplify right side
2,828,691.68x = 6,010,162,466,260.34 - Step 5: Solve for x
x = 6,010,162,466,260.34/2,828,691.68 - Step 6: Final answer
x = 2,124,714.58
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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.