Finding the Fourth Proportional to 2,491,570.38, 3,438,326 and 1,403,953.40
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Solution
The fourth proportional to 2,491,570.38, 3,438,326 and 1,403,953.40 is: 1,937,432.52
Step by Step Solution
- Step 1: Write the proportion equation
2,491,570.38 : 3,438,326 = 1,403,953.40 : x - Step 2: Convert to fraction form
2,491,570.38/3,438,326 = 1,403,953.40/x - Step 3: Cross multiply
2,491,570.38x = 3,438,326 × 1,403,953.40 - Step 4: Simplify right side
2,491,570.38x = 4,827,249,478,008.40 - Step 5: Solve for x
x = 4,827,249,478,008.40/2,491,570.38 - Step 6: Final answer
x = 1,937,432.52
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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.