Finding the Fourth Proportional to 2,110,268.84, 2,912,166.90 and 1,143,425.30
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Solution
The fourth proportional to 2,110,268.84, 2,912,166.90 and 1,143,425.30 is: 1,577,924.69
Step by Step Solution
- Step 1: Write the proportion equation
2,110,268.84 : 2,912,166.90 = 1,143,425.30 : x - Step 2: Convert to fraction form
2,110,268.84/2,912,166.90 = 1,143,425.30/x - Step 3: Cross multiply
2,110,268.84x = 2,912,166.90 × 1,143,425.30 - Step 4: Simplify right side
2,110,268.84x = 3,329,845,296,721.74 - Step 5: Solve for x
x = 3,329,845,296,721.74/2,110,268.84 - Step 6: Final answer
x = 1,577,924.69
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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.