Finding the Fourth Proportional to 5,055,199.08, 6,974,471.10 and 2,878,202.16
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Solution
The fourth proportional to 5,055,199.08, 6,974,471.10 and 2,878,202.16 is: 3,970,949.01
Step by Step Solution
- Step 1: Write the proportion equation
5,055,199.08 : 6,974,471.10 = 2,878,202.16 : x - Step 2: Convert to fraction form
5,055,199.08/6,974,471.10 = 2,878,202.16/x - Step 3: Cross multiply
5,055,199.08x = 6,974,471.10 × 2,878,202.16 - Step 4: Simplify right side
5,055,199.08x = 20,073,937,784,877.57 - Step 5: Solve for x
x = 20,073,937,784,877.57/5,055,199.08 - Step 6: Final answer
x = 3,970,949.01
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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.