Finding the Fourth Proportional to 5,395,358.68, 7,445,647.28 and 2,947,969.51
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Solution
The fourth proportional to 5,395,358.68, 7,445,647.28 and 2,947,969.51 is: 4,068,226.50
Step by Step Solution
- Step 1: Write the proportion equation
5,395,358.68 : 7,445,647.28 = 2,947,969.51 : x - Step 2: Convert to fraction form
5,395,358.68/7,445,647.28 = 2,947,969.51/x - Step 3: Cross multiply
5,395,358.68x = 7,445,647.28 × 2,947,969.51 - Step 4: Simplify right side
5,395,358.68x = 21,949,541,152,410.24 - Step 5: Solve for x
x = 21,949,541,152,410.24/5,395,358.68 - Step 6: Final answer
x = 4,068,226.50
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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.