Finding the Fourth Proportional to 2,122,857.92, 2,929,544.08 and 1,155,987.92
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Solution
The fourth proportional to 2,122,857.92, 2,929,544.08 and 1,155,987.92 is: 1,595,263.41
Step by Step Solution
- Step 1: Write the proportion equation
2,122,857.92 : 2,929,544.08 = 1,155,987.92 : x - Step 2: Convert to fraction form
2,122,857.92/2,929,544.08 = 1,155,987.92/x - Step 3: Cross multiply
2,122,857.92x = 2,929,544.08 × 1,155,987.92 - Step 4: Simplify right side
2,122,857.92x = 3,386,517,567,587.51 - Step 5: Solve for x
x = 3,386,517,567,587.51/2,122,857.92 - Step 6: Final answer
x = 1,595,263.41
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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.