Finding the Fourth Proportional to 5,655,696.20, 8,483,544.30 and 4,380,237.80
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Solution
The fourth proportional to 5,655,696.20, 8,483,544.30 and 4,380,237.80 is: 6,570,356.70
Step by Step Solution
- Step 1: Write the proportion equation
5,655,696.20 : 8,483,544.30 = 4,380,237.80 : x - Step 2: Convert to fraction form
5,655,696.20/8,483,544.30 = 4,380,237.80/x - Step 3: Cross multiply
5,655,696.20x = 8,483,544.30 × 4,380,237.80 - Step 4: Simplify right side
5,655,696.20x = 37,159,941,420,834.54 - Step 5: Solve for x
x = 37,159,941,420,834.54/5,655,696.20 - Step 6: Final answer
x = 6,570,356.70
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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.