Finding the Fourth Proportional to 4,490,844.86, 6,197,372.62 and 2,557,107.02
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Solution
The fourth proportional to 4,490,844.86, 6,197,372.62 and 2,557,107.02 is: 3,528,811.51
Step by Step Solution
- Step 1: Write the proportion equation
4,490,844.86 : 6,197,372.62 = 2,557,107.02 : x - Step 2: Convert to fraction form
4,490,844.86/6,197,372.62 = 2,557,107.02/x - Step 3: Cross multiply
4,490,844.86x = 6,197,372.62 × 2,557,107.02 - Step 4: Simplify right side
4,490,844.86x = 15,847,345,041,258.46 - Step 5: Solve for x
x = 15,847,345,041,258.46/4,490,844.86 - Step 6: Final answer
x = 3,528,811.51
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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.