Finding the Fourth Proportional to 1,513,439.96, 2,087,366.18 and 969,626.70
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Solution
The fourth proportional to 1,513,439.96, 2,087,366.18 and 969,626.70 is: 1,337,328.23
Step by Step Solution
- Step 1: Write the proportion equation
1,513,439.96 : 2,087,366.18 = 969,626.70 : x - Step 2: Convert to fraction form
1,513,439.96/2,087,366.18 = 969,626.70/x - Step 3: Cross multiply
1,513,439.96x = 2,087,366.18 × 969,626.70 - Step 4: Simplify right side
1,513,439.96x = 2,023,965,975,956.87 - Step 5: Solve for x
x = 2,023,965,975,956.87/1,513,439.96 - Step 6: Final answer
x = 1,337,328.23
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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.