Finding the Fourth Proportional to 1,937,420.98, 2,674,011.18 and 1,282,892.58
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Solution
The fourth proportional to 1,937,420.98, 2,674,011.18 and 1,282,892.58 is: 1,770,636.92
Step by Step Solution
- Step 1: Write the proportion equation
1,937,420.98 : 2,674,011.18 = 1,282,892.58 : x - Step 2: Convert to fraction form
1,937,420.98/2,674,011.18 = 1,282,892.58/x - Step 3: Cross multiply
1,937,420.98x = 2,674,011.18 × 1,282,892.58 - Step 4: Simplify right side
1,937,420.98x = 3,430,469,106,469.89 - Step 5: Solve for x
x = 3,430,469,106,469.89/1,937,420.98 - Step 6: Final answer
x = 1,770,636.92
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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.