Finding the Fourth Proportional to 5,021,320.10, 6,929,340.09 and 2,729,538.50
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Solution
The fourth proportional to 5,021,320.10, 6,929,340.09 and 2,729,538.50 is: 3,766,718.75
Step by Step Solution
- Step 1: Write the proportion equation
5,021,320.10 : 6,929,340.09 = 2,729,538.50 : x - Step 2: Convert to fraction form
5,021,320.10/6,929,340.09 = 2,729,538.50/x - Step 3: Cross multiply
5,021,320.10x = 6,929,340.09 × 2,729,538.50 - Step 4: Simplify right side
5,021,320.10x = 18,913,900,555,248.46 - Step 5: Solve for x
x = 18,913,900,555,248.46/5,021,320.10 - Step 6: Final answer
x = 3,766,718.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.