Finding the Fourth Proportional to 1,572,859.40, 2,354,214.50 and 813,655.41
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Solution
The fourth proportional to 1,572,859.40, 2,354,214.50 and 813,655.41 is: 1,217,857.98
Step by Step Solution
- Step 1: Write the proportion equation
1,572,859.40 : 2,354,214.50 = 813,655.41 : x - Step 2: Convert to fraction form
1,572,859.40/2,354,214.50 = 813,655.41/x - Step 3: Cross multiply
1,572,859.40x = 2,354,214.50 × 813,655.41 - Step 4: Simplify right side
1,572,859.40x = 1,915,519,360,157.17 - Step 5: Solve for x
x = 1,915,519,360,157.17/1,572,859.40 - Step 6: Final answer
x = 1,217,857.98
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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.