Finding the Fourth Proportional to 3,381,363.84, 5,072,823.54 and 1,106,961.60
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Solution
The fourth proportional to 3,381,363.84, 5,072,823.54 and 1,106,961.60 is: 1,660,697.02
Step by Step Solution
- Step 1: Write the proportion equation
3,381,363.84 : 5,072,823.54 = 1,106,961.60 : x - Step 2: Convert to fraction form
3,381,363.84/5,072,823.54 = 1,106,961.60/x - Step 3: Cross multiply
3,381,363.84x = 5,072,823.54 × 1,106,961.60 - Step 4: Simplify right side
3,381,363.84x = 5,615,420,862,356.06 - Step 5: Solve for x
x = 5,615,420,862,356.06/3,381,363.84 - Step 6: Final answer
x = 1,660,697.02
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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.