Finding the Fourth Proportional to 1,564,714.20, 2,157,185.34 and 1,337,709.81
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Solution
The fourth proportional to 1,564,714.20, 2,157,185.34 and 1,337,709.81 is: 1,844,226.88
Step by Step Solution
- Step 1: Write the proportion equation
1,564,714.20 : 2,157,185.34 = 1,337,709.81 : x - Step 2: Convert to fraction form
1,564,714.20/2,157,185.34 = 1,337,709.81/x - Step 3: Cross multiply
1,564,714.20x = 2,157,185.34 × 1,337,709.81 - Step 4: Simplify right side
1,564,714.20x = 2,885,687,991,306.19 - Step 5: Solve for x
x = 2,885,687,991,306.19/1,564,714.20 - Step 6: Final answer
x = 1,844,226.88
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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.