Finding the Fourth Proportional to 3,697,246.20, 5,545,869.30 and 1,301,071.80
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Solution
The fourth proportional to 3,697,246.20, 5,545,869.30 and 1,301,071.80 is: 1,951,607.70
Step by Step Solution
- Step 1: Write the proportion equation
3,697,246.20 : 5,545,869.30 = 1,301,071.80 : x - Step 2: Convert to fraction form
3,697,246.20/5,545,869.30 = 1,301,071.80/x - Step 3: Cross multiply
3,697,246.20x = 5,545,869.30 × 1,301,071.80 - Step 4: Simplify right side
3,697,246.20x = 7,215,574,152,715.74 - Step 5: Solve for x
x = 7,215,574,152,715.74/3,697,246.20 - Step 6: Final answer
x = 1,951,607.70
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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.