Finding the Fourth Proportional to 1,612,118.12, 2,224,357.72 and 1,176,772.70
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Solution
The fourth proportional to 1,612,118.12, 2,224,357.72 and 1,176,772.70 is: 1,623,679.69
Step by Step Solution
- Step 1: Write the proportion equation
1,612,118.12 : 2,224,357.72 = 1,176,772.70 : x - Step 2: Convert to fraction form
1,612,118.12/2,224,357.72 = 1,176,772.70/x - Step 3: Cross multiply
1,612,118.12x = 2,224,357.72 × 1,176,772.70 - Step 4: Simplify right side
1,612,118.12x = 2,617,563,442,640.04 - Step 5: Solve for x
x = 2,617,563,442,640.04/1,612,118.12 - Step 6: Final answer
x = 1,623,679.69
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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.