Finding the Fourth Proportional to 1,917,264.09, 2,646,058.77 and 1,101,466.26
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Solution
The fourth proportional to 1,917,264.09, 2,646,058.77 and 1,101,466.26 is: 1,520,158.06
Step by Step Solution
- Step 1: Write the proportion equation
1,917,264.09 : 2,646,058.77 = 1,101,466.26 : x - Step 2: Convert to fraction form
1,917,264.09/2,646,058.77 = 1,101,466.26/x - Step 3: Cross multiply
1,917,264.09x = 2,646,058.77 × 1,101,466.26 - Step 4: Simplify right side
1,917,264.09x = 2,914,544,457,132.10 - Step 5: Solve for x
x = 2,914,544,457,132.10/1,917,264.09 - Step 6: Final answer
x = 1,520,158.06
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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.