Finding the Fourth Proportional to 3,854,938.64, 5,781,283.47 and 1,295,864.33
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Solution
The fourth proportional to 3,854,938.64, 5,781,283.47 and 1,295,864.33 is: 1,943,418.48
Step by Step Solution
- Step 1: Write the proportion equation
3,854,938.64 : 5,781,283.47 = 1,295,864.33 : x - Step 2: Convert to fraction form
3,854,938.64/5,781,283.47 = 1,295,864.33/x - Step 3: Cross multiply
3,854,938.64x = 5,781,283.47 × 1,295,864.33 - Step 4: Simplify right side
3,854,938.64x = 7,491,759,001,485.21 - Step 5: Solve for x
x = 7,491,759,001,485.21/3,854,938.64 - Step 6: Final answer
x = 1,943,418.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.