Finding the Fourth Proportional to 5,398,698.76, 7,410,547.18 and 4,773,148.41
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Solution
The fourth proportional to 5,398,698.76, 7,410,547.18 and 4,773,148.41 is: 6,551,882.79
Step by Step Solution
- Step 1: Write the proportion equation
5,398,698.76 : 7,410,547.18 = 4,773,148.41 : x - Step 2: Convert to fraction form
5,398,698.76/7,410,547.18 = 4,773,148.41/x - Step 3: Cross multiply
5,398,698.76x = 7,410,547.18 × 4,773,148.41 - Step 4: Simplify right side
5,398,698.76x = 35,371,641,489,446.98 - Step 5: Solve for x
x = 35,371,641,489,446.98/5,398,698.76 - Step 6: Final answer
x = 6,551,882.79
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.