Finding the Fourth Proportional to 4,971,359.28, 7,420,746.19 and 4,265,920.56
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Solution
The fourth proportional to 4,971,359.28, 7,420,746.19 and 4,265,920.56 is: 6,367,738.07
Step by Step Solution
- Step 1: Write the proportion equation
4,971,359.28 : 7,420,746.19 = 4,265,920.56 : x - Step 2: Convert to fraction form
4,971,359.28/7,420,746.19 = 4,265,920.56/x - Step 3: Cross multiply
4,971,359.28x = 7,420,746.19 × 4,265,920.56 - Step 4: Simplify right side
4,971,359.28x = 31,656,313,731,797.86 - Step 5: Solve for x
x = 31,656,313,731,797.86/4,971,359.28 - Step 6: Final answer
x = 6,367,738.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.