Finding the Fourth Proportional to 2,134,585.86, 3,201,925.41 and 855,795.55
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Solution
The fourth proportional to 2,134,585.86, 3,201,925.41 and 855,795.55 is: 1,283,712.02
Step by Step Solution
- Step 1: Write the proportion equation
2,134,585.86 : 3,201,925.41 = 855,795.55 : x - Step 2: Convert to fraction form
2,134,585.86/3,201,925.41 = 855,795.55/x - Step 3: Cross multiply
2,134,585.86x = 3,201,925.41 × 855,795.55 - Step 4: Simplify right side
2,134,585.86x = 2,740,193,517,309.93 - Step 5: Solve for x
x = 2,740,193,517,309.93/2,134,585.86 - Step 6: Final answer
x = 1,283,712.02
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1.5x scale
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.