Finding the Fourth Proportional to 2,025,315.12, 2,794,927.56 and 1,142,194.08
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Solution
The fourth proportional to 2,025,315.12, 2,794,927.56 and 1,142,194.08 is: 1,576,223.71
Step by Step Solution
- Step 1: Write the proportion equation
2,025,315.12 : 2,794,927.56 = 1,142,194.08 : x - Step 2: Convert to fraction form
2,025,315.12/2,794,927.56 = 1,142,194.08/x - Step 3: Cross multiply
2,025,315.12x = 2,794,927.56 × 1,142,194.08 - Step 4: Simplify right side
2,025,315.12x = 3,192,349,713,060.85 - Step 5: Solve for x
x = 3,192,349,713,060.85/2,025,315.12 - Step 6: Final answer
x = 1,576,223.71
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1.5x scale
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.