Finding the Fourth Proportional to 5,132,292.28, 7,700,148.48 and 1,720,916.12
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Solution
The fourth proportional to 5,132,292.28, 7,700,148.48 and 1,720,916.12 is: 2,581,947.58
Step by Step Solution
- Step 1: Write the proportion equation
5,132,292.28 : 7,700,148.48 = 1,720,916.12 : x - Step 2: Convert to fraction form
5,132,292.28/7,700,148.48 = 1,720,916.12/x - Step 3: Cross multiply
5,132,292.28x = 7,700,148.48 × 1,720,916.12 - Step 4: Simplify right side
5,132,292.28x = 13,251,309,645,625.50 - Step 5: Solve for x
x = 13,251,309,645,625.50/5,132,292.28 - Step 6: Final answer
x = 2,581,947.58
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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.