Finding the Fourth Proportional to 2,167,743.26, 2,991,105.47 and 1,237,026.06
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Solution
The fourth proportional to 2,167,743.26, 2,991,105.47 and 1,237,026.06 is: 1,706,878.98
Step by Step Solution
- Step 1: Write the proportion equation
2,167,743.26 : 2,991,105.47 = 1,237,026.06 : x - Step 2: Convert to fraction form
2,167,743.26/2,991,105.47 = 1,237,026.06/x - Step 3: Cross multiply
2,167,743.26x = 2,991,105.47 × 1,237,026.06 - Step 4: Simplify right side
2,167,743.26x = 3,700,075,417,691.11 - Step 5: Solve for x
x = 3,700,075,417,691.11/2,167,743.26 - Step 6: Final answer
x = 1,706,878.98
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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.