Finding the Fourth Proportional to 2,191,266.49, 3,023,962.97 and 1,224,437.53
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Solution
The fourth proportional to 2,191,266.49, 3,023,962.97 and 1,224,437.53 is: 1,689,732.29
Step by Step Solution
- Step 1: Write the proportion equation
2,191,266.49 : 3,023,962.97 = 1,224,437.53 : x - Step 2: Convert to fraction form
2,191,266.49/3,023,962.97 = 1,224,437.53/x - Step 3: Cross multiply
2,191,266.49x = 3,023,962.97 × 1,224,437.53 - Step 4: Simplify right side
2,191,266.49x = 3,702,653,749,798.26 - Step 5: Solve for x
x = 3,702,653,749,798.26/2,191,266.49 - Step 6: Final answer
x = 1,689,732.29
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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.