Finding the Fourth Proportional to 2,173,986.84, 3,246,340.65 and 1,775,418.24
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Solution
The fourth proportional to 2,173,986.84, 3,246,340.65 and 1,775,418.24 is: 2,651,171.71
Step by Step Solution
- Step 1: Write the proportion equation
2,173,986.84 : 3,246,340.65 = 1,775,418.24 : x - Step 2: Convert to fraction form
2,173,986.84/3,246,340.65 = 1,775,418.24/x - Step 3: Cross multiply
2,173,986.84x = 3,246,340.65 × 1,775,418.24 - Step 4: Simplify right side
2,173,986.84x = 5,763,612,403,263.46 - Step 5: Solve for x
x = 5,763,612,403,263.46/2,173,986.84 - Step 6: Final answer
x = 2,651,171.71
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.