Finding the Fourth Proportional to 2,125,448.64, 2,933,081.28 and 1,158,587.28
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Solution
The fourth proportional to 2,125,448.64, 2,933,081.28 and 1,158,587.28 is: 1,598,829.82
Step by Step Solution
- Step 1: Write the proportion equation
2,125,448.64 : 2,933,081.28 = 1,158,587.28 : x - Step 2: Convert to fraction form
2,125,448.64/2,933,081.28 = 1,158,587.28/x - Step 3: Cross multiply
2,125,448.64x = 2,933,081.28 × 1,158,587.28 - Step 4: Simplify right side
2,125,448.64x = 3,398,230,662,214.12 - Step 5: Solve for x
x = 3,398,230,662,214.12/2,125,448.64 - Step 6: Final answer
x = 1,598,829.82
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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.