Finding the Fourth Proportional to 6,252,286.36, 9,378,254.58 and 1,992,710.20
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Solution
The fourth proportional to 6,252,286.36, 9,378,254.58 and 1,992,710.20 is: 2,989,009.54
Step by Step Solution
- Step 1: Write the proportion equation
6,252,286.36 : 9,378,254.58 = 1,992,710.20 : x - Step 2: Convert to fraction form
6,252,286.36/9,378,254.58 = 1,992,710.20/x - Step 3: Cross multiply
6,252,286.36x = 9,378,254.58 × 1,992,710.20 - Step 4: Simplify right side
6,252,286.36x = 18,688,143,559,762.71 - Step 5: Solve for x
x = 18,688,143,559,762.71/6,252,286.36 - Step 6: Final answer
x = 2,989,009.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.