Finding the Fourth Proportional to 1,829,168.05, 2,520,187.28 and 1,207,870.06
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Solution
The fourth proportional to 1,829,168.05, 2,520,187.28 and 1,207,870.06 is: 1,664,176.65
Step by Step Solution
- Step 1: Write the proportion equation
1,829,168.05 : 2,520,187.28 = 1,207,870.06 : x - Step 2: Convert to fraction form
1,829,168.05/2,520,187.28 = 1,207,870.06/x - Step 3: Cross multiply
1,829,168.05x = 2,520,187.28 × 1,207,870.06 - Step 4: Simplify right side
1,829,168.05x = 3,044,058,742,464.55 - Step 5: Solve for x
x = 3,044,058,742,464.55/1,829,168.05 - Step 6: Final answer
x = 1,664,176.65
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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.