Finding the Fourth Proportional to 1,468,420.70, 2,199,768.81 and 826,763.10
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Solution
The fourth proportional to 1,468,420.70, 2,199,768.81 and 826,763.10 is: 1,238,533.12
Step by Step Solution
- Step 1: Write the proportion equation
1,468,420.70 : 2,199,768.81 = 826,763.10 : x - Step 2: Convert to fraction form
1,468,420.70/2,199,768.81 = 826,763.10/x - Step 3: Cross multiply
1,468,420.70x = 2,199,768.81 × 826,763.10 - Step 4: Simplify right side
1,468,420.70x = 1,818,687,669,289.42 - Step 5: Solve for x
x = 1,818,687,669,289.42/1,468,420.70 - Step 6: Final answer
x = 1,238,533.12
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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.