Finding the Fourth Proportional to 1,557,246.36, 2,148,593.22 and 912,319.68
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Solution
The fourth proportional to 1,557,246.36, 2,148,593.22 and 912,319.68 is: 1,258,762.86
Step by Step Solution
- Step 1: Write the proportion equation
1,557,246.36 : 2,148,593.22 = 912,319.68 : x - Step 2: Convert to fraction form
1,557,246.36/2,148,593.22 = 912,319.68/x - Step 3: Cross multiply
1,557,246.36x = 2,148,593.22 × 912,319.68 - Step 4: Simplify right side
1,557,246.36x = 1,960,203,878,920.57 - Step 5: Solve for x
x = 1,960,203,878,920.57/1,557,246.36 - Step 6: Final answer
x = 1,258,762.86
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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.