Finding the Fourth Proportional to 2,867,862.61, 3,958,486.14 and 1,874,574.70
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Solution
The fourth proportional to 2,867,862.61, 3,958,486.14 and 1,874,574.70 is: 2,587,459.37
Step by Step Solution
- Step 1: Write the proportion equation
2,867,862.61 : 3,958,486.14 = 1,874,574.70 : x - Step 2: Convert to fraction form
2,867,862.61/3,958,486.14 = 1,874,574.70/x - Step 3: Cross multiply
2,867,862.61x = 3,958,486.14 × 1,874,574.70 - Step 4: Simplify right side
2,867,862.61x = 7,420,477,968,344.66 - Step 5: Solve for x
x = 7,420,477,968,344.66/2,867,862.61 - Step 6: Final answer
x = 2,587,459.37
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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.