Finding the Fourth Proportional to 4,994,928.36, 7,491,547.08 and 1,399,867.92
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Solution
The fourth proportional to 4,994,928.36, 7,491,547.08 and 1,399,867.92 is: 2,099,564.93
Step by Step Solution
- Step 1: Write the proportion equation
4,994,928.36 : 7,491,547.08 = 1,399,867.92 : x - Step 2: Convert to fraction form
4,994,928.36/7,491,547.08 = 1,399,867.92/x - Step 3: Cross multiply
4,994,928.36x = 7,491,547.08 × 1,399,867.92 - Step 4: Simplify right side
4,994,928.36x = 10,487,176,428,461.67 - Step 5: Solve for x
x = 10,487,176,428,461.67/4,994,928.36 - Step 6: Final answer
x = 2,099,564.93
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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.