Finding the Fourth Proportional to 2,121,725.49, 3,182,705.87 and 605,291.84
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Solution
The fourth proportional to 2,121,725.49, 3,182,705.87 and 605,291.84 is: 907,971.32
Step by Step Solution
- Step 1: Write the proportion equation
2,121,725.49 : 3,182,705.87 = 605,291.84 : x - Step 2: Convert to fraction form
2,121,725.49/3,182,705.87 = 605,291.84/x - Step 3: Cross multiply
2,121,725.49x = 3,182,705.87 × 605,291.84 - Step 4: Simplify right side
2,121,725.49x = 1,926,465,885,226.26 - Step 5: Solve for x
x = 1,926,465,885,226.26/2,121,725.49 - Step 6: Final answer
x = 907,971.32
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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.