Finding the Fourth Proportional to 2,174,248.20, 3,257,435.70 and 1,859,320.20
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Solution
The fourth proportional to 2,174,248.20, 3,257,435.70 and 1,859,320.20 is: 2,785,613.90
Step by Step Solution
- Step 1: Write the proportion equation
2,174,248.20 : 3,257,435.70 = 1,859,320.20 : x - Step 2: Convert to fraction form
2,174,248.20/3,257,435.70 = 1,859,320.20/x - Step 3: Cross multiply
2,174,248.20x = 3,257,435.70 × 1,859,320.20 - Step 4: Simplify right side
2,174,248.20x = 6,056,615,997,211.14 - Step 5: Solve for x
x = 6,056,615,997,211.14/2,174,248.20 - Step 6: Final answer
x = 2,785,613.90
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1.5x scale
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.