Finding the Fourth Proportional to 5,138,202.30, 7,074,541.80 and 4,362,298.44
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Solution
The fourth proportional to 5,138,202.30, 7,074,541.80 and 4,362,298.44 is: 6,006,237.37
Step by Step Solution
- Step 1: Write the proportion equation
5,138,202.30 : 7,074,541.80 = 4,362,298.44 : x - Step 2: Convert to fraction form
5,138,202.30/7,074,541.80 = 4,362,298.44/x - Step 3: Cross multiply
5,138,202.30x = 7,074,541.80 × 4,362,298.44 - Step 4: Simplify right side
5,138,202.30x = 30,861,262,657,854.79 - Step 5: Solve for x
x = 30,861,262,657,854.79/5,138,202.30 - Step 6: Final answer
x = 6,006,237.37
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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.