Finding the Fourth Proportional to 1,761,490.88, 2,430,862.08 and 1,036,365.92
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Solution
The fourth proportional to 1,761,490.88, 2,430,862.08 and 1,036,365.92 is: 1,430,187.71
Step by Step Solution
- Step 1: Write the proportion equation
1,761,490.88 : 2,430,862.08 = 1,036,365.92 : x - Step 2: Convert to fraction form
1,761,490.88/2,430,862.08 = 1,036,365.92/x - Step 3: Cross multiply
1,761,490.88x = 2,430,862.08 × 1,036,365.92 - Step 4: Simplify right side
1,761,490.88x = 2,519,262,615,932.31 - Step 5: Solve for x
x = 2,519,262,615,932.31/1,761,490.88 - Step 6: Final answer
x = 1,430,187.71
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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.