Finding the Fourth Proportional to 2,078,354.66, 2,867,313.40 and 1,207,041.03
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Solution
The fourth proportional to 2,078,354.66, 2,867,313.40 and 1,207,041.03 is: 1,665,242.70
Step by Step Solution
- Step 1: Write the proportion equation
2,078,354.66 : 2,867,313.40 = 1,207,041.03 : x - Step 2: Convert to fraction form
2,078,354.66/2,867,313.40 = 1,207,041.03/x - Step 3: Cross multiply
2,078,354.66x = 2,867,313.40 × 1,207,041.03 - Step 4: Simplify right side
2,078,354.66x = 3,460,964,916,651.20 - Step 5: Solve for x
x = 3,460,964,916,651.20/2,078,354.66 - Step 6: Final answer
x = 1,665,242.70
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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.