Finding the Fourth Proportional to 1,970,106.84, 2,955,161.07 and 474,198.84
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Solution
The fourth proportional to 1,970,106.84, 2,955,161.07 and 474,198.84 is: 711,298.45
Step by Step Solution
- Step 1: Write the proportion equation
1,970,106.84 : 2,955,161.07 = 474,198.84 : x - Step 2: Convert to fraction form
1,970,106.84/2,955,161.07 = 474,198.84/x - Step 3: Cross multiply
1,970,106.84x = 2,955,161.07 × 474,198.84 - Step 4: Simplify right side
1,970,106.84x = 1,401,333,951,407.16 - Step 5: Solve for x
x = 1,401,333,951,407.16/1,970,106.84 - Step 6: Final answer
x = 711,298.45
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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.