Finding the Fourth Proportional to 2,878,365.98, 3,972,206.98 and 1,589,287.84
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Solution
The fourth proportional to 2,878,365.98, 3,972,206.98 and 1,589,287.84 is: 2,193,251.41
Step by Step Solution
- Step 1: Write the proportion equation
2,878,365.98 : 3,972,206.98 = 1,589,287.84 : x - Step 2: Convert to fraction form
2,878,365.98/3,972,206.98 = 1,589,287.84/x - Step 3: Cross multiply
2,878,365.98x = 3,972,206.98 × 1,589,287.84 - Step 4: Simplify right side
2,878,365.98x = 6,312,980,251,277.12 - Step 5: Solve for x
x = 6,312,980,251,277.12/2,878,365.98 - Step 6: Final answer
x = 2,193,251.41
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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.