Finding the Fourth Proportional to 3,697,417.20, 5,546,125.80 and 1,301,242.80
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Solution
The fourth proportional to 3,697,417.20, 5,546,125.80 and 1,301,242.80 is: 1,951,864.20
Step by Step Solution
- Step 1: Write the proportion equation
3,697,417.20 : 5,546,125.80 = 1,301,242.80 : x - Step 2: Convert to fraction form
3,697,417.20/5,546,125.80 = 1,301,242.80/x - Step 3: Cross multiply
3,697,417.20x = 5,546,125.80 × 1,301,242.80 - Step 4: Simplify right side
3,697,417.20x = 7,216,856,265,144.24 - Step 5: Solve for x
x = 7,216,856,265,144.24/3,697,417.20 - Step 6: Final answer
x = 1,951,864.20
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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.