Finding the Fourth Proportional to 3,937,219.92, 5,905,363.32 and 1,277,827.92
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Solution
The fourth proportional to 3,937,219.92, 5,905,363.32 and 1,277,827.92 is: 1,916,590.46
Step by Step Solution
- Step 1: Write the proportion equation
3,937,219.92 : 5,905,363.32 = 1,277,827.92 : x - Step 2: Convert to fraction form
3,937,219.92/5,905,363.32 = 1,277,827.92/x - Step 3: Cross multiply
3,937,219.92x = 5,905,363.32 × 1,277,827.92 - Step 4: Simplify right side
3,937,219.92x = 7,546,038,128,039.90 - Step 5: Solve for x
x = 7,546,038,128,039.90/3,937,219.92 - Step 6: Final answer
x = 1,916,590.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.