Finding the Fourth Proportional to 2,111,046.65, 2,913,197.36 and 1,193,153.70
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Solution
The fourth proportional to 2,111,046.65, 2,913,197.36 and 1,193,153.70 is: 1,646,525.53
Step by Step Solution
- Step 1: Write the proportion equation
2,111,046.65 : 2,913,197.36 = 1,193,153.70 : x - Step 2: Convert to fraction form
2,111,046.65/2,913,197.36 = 1,193,153.70/x - Step 3: Cross multiply
2,111,046.65x = 2,913,197.36 × 1,193,153.70 - Step 4: Simplify right side
2,111,046.65x = 3,475,892,202,948.46 - Step 5: Solve for x
x = 3,475,892,202,948.46/2,111,046.65 - Step 6: Final answer
x = 1,646,525.53
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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.