Finding the Fourth Proportional to 1,851,803.18, 2,555,587.66 and 1,035,958.21
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Solution
The fourth proportional to 1,851,803.18, 2,555,587.66 and 1,035,958.21 is: 1,429,677.86
Step by Step Solution
- Step 1: Write the proportion equation
1,851,803.18 : 2,555,587.66 = 1,035,958.21 : x - Step 2: Convert to fraction form
1,851,803.18/2,555,587.66 = 1,035,958.21/x - Step 3: Cross multiply
1,851,803.18x = 2,555,587.66 × 1,035,958.21 - Step 4: Simplify right side
1,851,803.18x = 2,647,482,012,172.01 - Step 5: Solve for x
x = 2,647,482,012,172.01/1,851,803.18 - Step 6: Final answer
x = 1,429,677.86
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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.