Finding the Fourth Proportional to 1,901,867.13, 2,852,977.68 and 687,748.05
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Solution
The fourth proportional to 1,901,867.13, 2,852,977.68 and 687,748.05 is: 1,031,686.08
Step by Step Solution
- Step 1: Write the proportion equation
1,901,867.13 : 2,852,977.68 = 687,748.05 : x - Step 2: Convert to fraction form
1,901,867.13/2,852,977.68 = 687,748.05/x - Step 3: Cross multiply
1,901,867.13x = 2,852,977.68 × 687,748.05 - Step 4: Simplify right side
1,901,867.13x = 1,962,129,836,113.52 - Step 5: Solve for x
x = 1,962,129,836,113.52/1,901,867.13 - Step 6: Final answer
x = 1,031,686.08
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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.