Finding the Fourth Proportional to 3,900,722.58, 5,851,643.57 and 1,205,283.14
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Solution
The fourth proportional to 3,900,722.58, 5,851,643.57 and 1,205,283.14 is: 1,808,097.65
Step by Step Solution
- Step 1: Write the proportion equation
3,900,722.58 : 5,851,643.57 = 1,205,283.14 : x - Step 2: Convert to fraction form
3,900,722.58/5,851,643.57 = 1,205,283.14/x - Step 3: Cross multiply
3,900,722.58x = 5,851,643.57 × 1,205,283.14 - Step 4: Simplify right side
3,900,722.58x = 7,052,887,336,210.41 - Step 5: Solve for x
x = 7,052,887,336,210.41/3,900,722.58 - Step 6: Final answer
x = 1,808,097.65
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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.