Finding the Fourth Proportional to 4,354,117.20, 6,528,065.40 and 1,955,998.80
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Solution
The fourth proportional to 4,354,117.20, 6,528,065.40 and 1,955,998.80 is: 2,932,600.92
Step by Step Solution
- Step 1: Write the proportion equation
4,354,117.20 : 6,528,065.40 = 1,955,998.80 : x - Step 2: Convert to fraction form
4,354,117.20/6,528,065.40 = 1,955,998.80/x - Step 3: Cross multiply
4,354,117.20x = 6,528,065.40 × 1,955,998.80 - Step 4: Simplify right side
4,354,117.20x = 12,768,888,088,721.52 - Step 5: Solve for x
x = 12,768,888,088,721.52/4,354,117.20 - Step 6: Final answer
x = 2,932,600.92
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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.