Finding the Fourth Proportional to 3,258,920.79, 4,497,013.52 and 1,934,116.08
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Solution
The fourth proportional to 3,258,920.79, 4,497,013.52 and 1,934,116.08 is: 2,668,903.82
Step by Step Solution
- Step 1: Write the proportion equation
3,258,920.79 : 4,497,013.52 = 1,934,116.08 : x - Step 2: Convert to fraction form
3,258,920.79/4,497,013.52 = 1,934,116.08/x - Step 3: Cross multiply
3,258,920.79x = 4,497,013.52 × 1,934,116.08 - Step 4: Simplify right side
3,258,920.79x = 8,697,746,141,727.96 - Step 5: Solve for x
x = 8,697,746,141,727.96/3,258,920.79 - Step 6: Final answer
x = 2,668,903.82
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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.