Finding the Fourth Proportional to 3,908,272.60, 5,862,408.90 and 2,564,579.80
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Solution
The fourth proportional to 3,908,272.60, 5,862,408.90 and 2,564,579.80 is: 3,846,869.70
Step by Step Solution
- Step 1: Write the proportion equation
3,908,272.60 : 5,862,408.90 = 2,564,579.80 : x - Step 2: Convert to fraction form
3,908,272.60/5,862,408.90 = 2,564,579.80/x - Step 3: Cross multiply
3,908,272.60x = 5,862,408.90 × 2,564,579.80 - Step 4: Simplify right side
3,908,272.60x = 15,034,615,444,280.22 - Step 5: Solve for x
x = 15,034,615,444,280.22/3,908,272.60 - Step 6: Final answer
x = 3,846,869.70
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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.