Finding the Fourth Proportional to 2,810,659.95, 4,215,358.94 and 1,292,885.19
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Solution
The fourth proportional to 2,810,659.95, 4,215,358.94 and 1,292,885.19 is: 1,939,037.53
Step by Step Solution
- Step 1: Write the proportion equation
2,810,659.95 : 4,215,358.94 = 1,292,885.19 : x - Step 2: Convert to fraction form
2,810,659.95/4,215,358.94 = 1,292,885.19/x - Step 3: Cross multiply
2,810,659.95x = 4,215,358.94 × 1,292,885.19 - Step 4: Simplify right side
2,810,659.95x = 5,449,975,137,595.67 - Step 5: Solve for x
x = 5,449,975,137,595.67/2,810,659.95 - Step 6: Final answer
x = 1,939,037.53
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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.