Finding the Fourth Proportional to 5,125,268.49, 7,072,515.32 and 2,833,248.75
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Solution
The fourth proportional to 5,125,268.49, 7,072,515.32 and 2,833,248.75 is: 3,909,686.92
Step by Step Solution
- Step 1: Write the proportion equation
5,125,268.49 : 7,072,515.32 = 2,833,248.75 : x - Step 2: Convert to fraction form
5,125,268.49/7,072,515.32 = 2,833,248.75/x - Step 3: Cross multiply
5,125,268.49x = 7,072,515.32 × 2,833,248.75 - Step 4: Simplify right side
5,125,268.49x = 20,038,195,175,579.61 - Step 5: Solve for x
x = 20,038,195,175,579.61/5,125,268.49 - Step 6: Final answer
x = 3,909,686.92
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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.