Finding the Fourth Proportional to 1,587,961.24, 2,381,691.72 and 1,319,811.10
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Solution
The fourth proportional to 1,587,961.24, 2,381,691.72 and 1,319,811.10 is: 1,979,508.75
Step by Step Solution
- Step 1: Write the proportion equation
1,587,961.24 : 2,381,691.72 = 1,319,811.10 : x - Step 2: Convert to fraction form
1,587,961.24/2,381,691.72 = 1,319,811.10/x - Step 3: Cross multiply
1,587,961.24x = 2,381,691.72 × 1,319,811.10 - Step 4: Simplify right side
1,587,961.24x = 3,143,383,168,834.09 - Step 5: Solve for x
x = 3,143,383,168,834.09/1,587,961.24 - Step 6: Final answer
x = 1,979,508.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.