Finding the Fourth Proportional to 1,609,637.08, 2,221,169.16 and 930,617.32
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Solution
The fourth proportional to 1,609,637.08, 2,221,169.16 and 930,617.32 is: 1,284,176.74
Step by Step Solution
- Step 1: Write the proportion equation
1,609,637.08 : 2,221,169.16 = 930,617.32 : x - Step 2: Convert to fraction form
1,609,637.08/2,221,169.16 = 930,617.32/x - Step 3: Cross multiply
1,609,637.08x = 2,221,169.16 × 930,617.32 - Step 4: Simplify right side
1,609,637.08x = 2,067,058,490,945.85 - Step 5: Solve for x
x = 2,067,058,490,945.85/1,609,637.08 - Step 6: Final answer
x = 1,284,176.74
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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.