Finding the Fourth Proportional to 1,708,416.20, 2,559,125.10 and 867,441.80
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Solution
The fourth proportional to 1,708,416.20, 2,559,125.10 and 867,441.80 is: 1,299,385.99
Step by Step Solution
- Step 1: Write the proportion equation
1,708,416.20 : 2,559,125.10 = 867,441.80 : x - Step 2: Convert to fraction form
1,708,416.20/2,559,125.10 = 867,441.80/x - Step 3: Cross multiply
1,708,416.20x = 2,559,125.10 × 867,441.80 - Step 4: Simplify right side
1,708,416.20x = 2,219,892,083,169.18 - Step 5: Solve for x
x = 2,219,892,083,169.18/1,708,416.20 - Step 6: Final answer
x = 1,299,385.99
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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.