Finding the Fourth Proportional to 3,540,547.84, 4,885,947.12 and 1,930,915.84
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Solution
The fourth proportional to 3,540,547.84, 4,885,947.12 and 1,930,915.84 is: 2,664,659.01
Step by Step Solution
- Step 1: Write the proportion equation
3,540,547.84 : 4,885,947.12 = 1,930,915.84 : x - Step 2: Convert to fraction form
3,540,547.84/4,885,947.12 = 1,930,915.84/x - Step 3: Cross multiply
3,540,547.84x = 4,885,947.12 × 1,930,915.84 - Step 4: Simplify right side
3,540,547.84x = 9,434,352,687,410.38 - Step 5: Solve for x
x = 9,434,352,687,410.38/3,540,547.84 - Step 6: Final answer
x = 2,664,659.01
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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.