Finding the Fourth Proportional to 4,310,287.20, 6,464,816.40 and 1,470,530.40
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Solution
The fourth proportional to 4,310,287.20, 6,464,816.40 and 1,470,530.40 is: 2,205,585.99
Step by Step Solution
- Step 1: Write the proportion equation
4,310,287.20 : 6,464,816.40 = 1,470,530.40 : x - Step 2: Convert to fraction form
4,310,287.20/6,464,816.40 = 1,470,530.40/x - Step 3: Cross multiply
4,310,287.20x = 6,464,816.40 × 1,470,530.40 - Step 4: Simplify right side
4,310,287.20x = 9,506,709,046,618.56 - Step 5: Solve for x
x = 9,506,709,046,618.56/4,310,287.20 - Step 6: Final answer
x = 2,205,585.99
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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.