Finding the Fourth Proportional to 2,453,959.54, 3,385,587.66 and 1,420,903.48
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Solution
The fourth proportional to 2,453,959.54, 3,385,587.66 and 1,420,903.48 is: 1,960,339.28
Step by Step Solution
- Step 1: Write the proportion equation
2,453,959.54 : 3,385,587.66 = 1,420,903.48 : x - Step 2: Convert to fraction form
2,453,959.54/3,385,587.66 = 1,420,903.48/x - Step 3: Cross multiply
2,453,959.54x = 3,385,587.66 × 1,420,903.48 - Step 4: Simplify right side
2,453,959.54x = 4,810,593,287,939.06 - Step 5: Solve for x
x = 4,810,593,287,939.06/2,453,959.54 - Step 6: Final answer
x = 1,960,339.28
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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.