Finding the Fourth Proportional to 4,744,966.88, 6,547,794.72 and 2,811,405.44
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Solution
The fourth proportional to 4,744,966.88, 6,547,794.72 and 2,811,405.44 is: 3,879,585.71
Step by Step Solution
- Step 1: Write the proportion equation
4,744,966.88 : 6,547,794.72 = 2,811,405.44 : x - Step 2: Convert to fraction form
4,744,966.88/6,547,794.72 = 2,811,405.44/x - Step 3: Cross multiply
4,744,966.88x = 6,547,794.72 × 2,811,405.44 - Step 4: Simplify right side
4,744,966.88x = 18,408,505,695,811.28 - Step 5: Solve for x
x = 18,408,505,695,811.28/4,744,966.88 - Step 6: Final answer
x = 3,879,585.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.