Finding the Fourth Proportional to 7,069,039.24, 10,607,364.24 and 2,809,244.40
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Solution
The fourth proportional to 7,069,039.24, 10,607,364.24 and 2,809,244.40 is: 4,215,378.86
Step by Step Solution
- Step 1: Write the proportion equation
7,069,039.24 : 10,607,364.24 = 2,809,244.40 : x - Step 2: Convert to fraction form
7,069,039.24/10,607,364.24 = 2,809,244.40/x - Step 3: Cross multiply
7,069,039.24x = 10,607,364.24 × 2,809,244.40 - Step 4: Simplify right side
7,069,039.24x = 29,798,678,589,980.25 - Step 5: Solve for x
x = 29,798,678,589,980.25/7,069,039.24 - Step 6: Final answer
x = 4,215,378.86
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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.