Finding the Fourth Proportional to 1,947,251.12, 2,683,378.68 and 1,488,885.04
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Solution
The fourth proportional to 1,947,251.12, 2,683,378.68 and 1,488,885.04 is: 2,051,734.54
Step by Step Solution
- Step 1: Write the proportion equation
1,947,251.12 : 2,683,378.68 = 1,488,885.04 : x - Step 2: Convert to fraction form
1,947,251.12/2,683,378.68 = 1,488,885.04/x - Step 3: Cross multiply
1,947,251.12x = 2,683,378.68 × 1,488,885.04 - Step 4: Simplify right side
1,947,251.12x = 3,995,242,373,306.95 - Step 5: Solve for x
x = 3,995,242,373,306.95/1,947,251.12 - Step 6: Final answer
x = 2,051,734.54
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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.