Finding the Fourth Proportional to 2,195,602.20, 3,291,714.90 and 1,115,227.08
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Solution
The fourth proportional to 2,195,602.20, 3,291,714.90 and 1,115,227.08 is: 1,671,983.02
Step by Step Solution
- Step 1: Write the proportion equation
2,195,602.20 : 3,291,714.90 = 1,115,227.08 : x - Step 2: Convert to fraction form
2,195,602.20/3,291,714.90 = 1,115,227.08/x - Step 3: Cross multiply
2,195,602.20x = 3,291,714.90 × 1,115,227.08 - Step 4: Simplify right side
2,195,602.20x = 3,671,009,596,119.49 - Step 5: Solve for x
x = 3,671,009,596,119.49/2,195,602.20 - Step 6: Final answer
x = 1,671,983.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.