Finding the Fourth Proportional to 8,861,719.52, 13,292,578.20 and 2,130,133.52
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Solution
The fourth proportional to 8,861,719.52, 13,292,578.20 and 2,130,133.52 is: 3,195,200.02
Step by Step Solution
- Step 1: Write the proportion equation
8,861,719.52 : 13,292,578.20 = 2,130,133.52 : x - Step 2: Convert to fraction form
8,861,719.52/13,292,578.20 = 2,130,133.52/x - Step 3: Cross multiply
8,861,719.52x = 13,292,578.20 × 2,130,133.52 - Step 4: Simplify right side
8,861,719.52x = 28,314,966,391,041.26 - Step 5: Solve for x
x = 28,314,966,391,041.26/8,861,719.52 - Step 6: Final answer
x = 3,195,200.02
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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.