Finding the Fourth Proportional to 2,649,037.20, 3,964,698.45 and 1,851,875.70
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Solution
The fourth proportional to 2,649,037.20, 3,964,698.45 and 1,851,875.70 is: 2,771,621.60
Step by Step Solution
- Step 1: Write the proportion equation
2,649,037.20 : 3,964,698.45 = 1,851,875.70 : x - Step 2: Convert to fraction form
2,649,037.20/3,964,698.45 = 1,851,875.70/x - Step 3: Cross multiply
2,649,037.20x = 3,964,698.45 × 1,851,875.70 - Step 4: Simplify right side
2,649,037.20x = 7,342,128,717,382.67 - Step 5: Solve for x
x = 7,342,128,717,382.67/2,649,037.20 - Step 6: Final answer
x = 2,771,621.60
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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.