Finding the Fourth Proportional to 1,434,416.56, 2,151,266.28 and 423,337.84
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Solution
The fourth proportional to 1,434,416.56, 2,151,266.28 and 423,337.84 is: 634,900.94
Step by Step Solution
- Step 1: Write the proportion equation
1,434,416.56 : 2,151,266.28 = 423,337.84 : x - Step 2: Convert to fraction form
1,434,416.56/2,151,266.28 = 423,337.84/x - Step 3: Cross multiply
1,434,416.56x = 2,151,266.28 × 423,337.84 - Step 4: Simplify right side
1,434,416.56x = 910,712,420,240.04 - Step 5: Solve for x
x = 910,712,420,240.04/1,434,416.56 - Step 6: Final answer
x = 634,900.94
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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.