Finding the Fourth Proportional to 2,141,596.62, 2,955,403.35 and 1,174,729.14
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Solution
The fourth proportional to 2,141,596.62, 2,955,403.35 and 1,174,729.14 is: 1,621,126.22
Step by Step Solution
- Step 1: Write the proportion equation
2,141,596.62 : 2,955,403.35 = 1,174,729.14 : x - Step 2: Convert to fraction form
2,141,596.62/2,955,403.35 = 1,174,729.14/x - Step 3: Cross multiply
2,141,596.62x = 2,955,403.35 × 1,174,729.14 - Step 4: Simplify right side
2,141,596.62x = 3,471,798,435,698.62 - Step 5: Solve for x
x = 3,471,798,435,698.62/2,141,596.62 - Step 6: Final answer
x = 1,621,126.22
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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.