Finding the Fourth Proportional to 1,917,802.97, 2,646,562.66 and 1,058,357.07
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Solution
The fourth proportional to 1,917,802.97, 2,646,562.66 and 1,058,357.07 is: 1,460,529.76
Step by Step Solution
- Step 1: Write the proportion equation
1,917,802.97 : 2,646,562.66 = 1,058,357.07 : x - Step 2: Convert to fraction form
1,917,802.97/2,646,562.66 = 1,058,357.07/x - Step 3: Cross multiply
1,917,802.97x = 2,646,562.66 × 1,058,357.07 - Step 4: Simplify right side
1,917,802.97x = 2,801,008,302,409.01 - Step 5: Solve for x
x = 2,801,008,302,409.01/1,917,802.97 - Step 6: Final answer
x = 1,460,529.76
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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.