Finding the Fourth Proportional to 4,874,117.54, 6,726,492.45 and 2,698,660.78
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Solution
The fourth proportional to 4,874,117.54, 6,726,492.45 and 2,698,660.78 is: 3,724,268.28
Step by Step Solution
- Step 1: Write the proportion equation
4,874,117.54 : 6,726,492.45 = 2,698,660.78 : x - Step 2: Convert to fraction form
4,874,117.54/6,726,492.45 = 2,698,660.78/x - Step 3: Cross multiply
4,874,117.54x = 6,726,492.45 × 2,698,660.78 - Step 4: Simplify right side
4,874,117.54x = 18,152,521,361,781.11 - Step 5: Solve for x
x = 18,152,521,361,781.11/4,874,117.54 - Step 6: Final answer
x = 3,724,268.28
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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.