Finding the Fourth Proportional to 3,450,809.20, 5,176,165.20 and 1,557,547.60
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Solution
The fourth proportional to 3,450,809.20, 5,176,165.20 and 1,557,547.60 is: 2,336,299.46
Step by Step Solution
- Step 1: Write the proportion equation
3,450,809.20 : 5,176,165.20 = 1,557,547.60 : x - Step 2: Convert to fraction form
3,450,809.20/5,176,165.20 = 1,557,547.60/x - Step 3: Cross multiply
3,450,809.20x = 5,176,165.20 × 1,557,547.60 - Step 4: Simplify right side
3,450,809.20x = 8,062,123,684,463.52 - Step 5: Solve for x
x = 8,062,123,684,463.52/3,450,809.20 - Step 6: Final answer
x = 2,336,299.46
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1.5x scale
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.