Finding the Fourth Proportional to 1,610,372.79, 2,222,342.06 and 885,251.07
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Solution
The fourth proportional to 1,610,372.79, 2,222,342.06 and 885,251.07 is: 1,221,661.65
Step by Step Solution
- Step 1: Write the proportion equation
1,610,372.79 : 2,222,342.06 = 885,251.07 : x - Step 2: Convert to fraction form
1,610,372.79/2,222,342.06 = 885,251.07/x - Step 3: Cross multiply
1,610,372.79x = 2,222,342.06 × 885,251.07 - Step 4: Simplify right side
1,610,372.79x = 1,967,330,686,521.00 - Step 5: Solve for x
x = 1,967,330,686,521.00/1,610,372.79 - Step 6: Final answer
x = 1,221,661.65
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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.