Finding the Fourth Proportional to 2,108,894.68, 3,163,429.50 and 612,986.68
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Solution
The fourth proportional to 2,108,894.68, 3,163,429.50 and 612,986.68 is: 919,505.45
Step by Step Solution
- Step 1: Write the proportion equation
2,108,894.68 : 3,163,429.50 = 612,986.68 : x - Step 2: Convert to fraction form
2,108,894.68/3,163,429.50 = 612,986.68/x - Step 3: Cross multiply
2,108,894.68x = 3,163,429.50 × 612,986.68 - Step 4: Simplify right side
2,108,894.68x = 1,939,140,146,619.06 - Step 5: Solve for x
x = 1,939,140,146,619.06/2,108,894.68 - Step 6: Final answer
x = 919,505.45
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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.