Finding the Fourth Proportional to 2,990,371.68, 4,126,569.12 and 1,701,091.20
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Solution
The fourth proportional to 2,990,371.68, 4,126,569.12 and 1,701,091.20 is: 2,347,424.06
Step by Step Solution
- Step 1: Write the proportion equation
2,990,371.68 : 4,126,569.12 = 1,701,091.20 : x - Step 2: Convert to fraction form
2,990,371.68/4,126,569.12 = 1,701,091.20/x - Step 3: Cross multiply
2,990,371.68x = 4,126,569.12 × 1,701,091.20 - Step 4: Simplify right side
2,990,371.68x = 7,019,670,416,223.74 - Step 5: Solve for x
x = 7,019,670,416,223.74/2,990,371.68 - Step 6: Final answer
x = 2,347,424.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.