Finding the Fourth Proportional to 1,450,920.17, 2,001,648.75 and 906,110.12
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Solution
The fourth proportional to 1,450,920.17, 2,001,648.75 and 906,110.12 is: 1,250,044.09
Step by Step Solution
- Step 1: Write the proportion equation
1,450,920.17 : 2,001,648.75 = 906,110.12 : x - Step 2: Convert to fraction form
1,450,920.17/2,001,648.75 = 906,110.12/x - Step 3: Cross multiply
1,450,920.17x = 2,001,648.75 × 906,110.12 - Step 4: Simplify right side
1,450,920.17x = 1,813,714,190,666.56 - Step 5: Solve for x
x = 1,813,714,190,666.56/1,450,920.17 - Step 6: Final answer
x = 1,250,044.09
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1.5x scale
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.