Finding the Fourth Proportional to 1,970,535.42, 2,719,338.35 and 1,065,117.42
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Solution
The fourth proportional to 1,970,535.42, 2,719,338.35 and 1,065,117.42 is: 1,469,861.75
Step by Step Solution
- Step 1: Write the proportion equation
1,970,535.42 : 2,719,338.35 = 1,065,117.42 : x - Step 2: Convert to fraction form
1,970,535.42/2,719,338.35 = 1,065,117.42/x - Step 3: Cross multiply
1,970,535.42x = 2,719,338.35 × 1,065,117.42 - Step 4: Simplify right side
1,970,535.42x = 2,896,414,642,133.47 - Step 5: Solve for x
x = 2,896,414,642,133.47/1,970,535.42 - Step 6: Final answer
x = 1,469,861.75
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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.