Finding the Fourth Proportional to 2,912,206.84, 4,370,278.56 and 1,018,964.68
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Solution
The fourth proportional to 2,912,206.84, 4,370,278.56 and 1,018,964.68 is: 1,529,135.72
Step by Step Solution
- Step 1: Write the proportion equation
2,912,206.84 : 4,370,278.56 = 1,018,964.68 : x - Step 2: Convert to fraction form
2,912,206.84/4,370,278.56 = 1,018,964.68/x - Step 3: Cross multiply
2,912,206.84x = 4,370,278.56 × 1,018,964.68 - Step 4: Simplify right side
2,912,206.84x = 4,453,159,494,401.26 - Step 5: Solve for x
x = 4,453,159,494,401.26/2,912,206.84 - Step 6: Final answer
x = 1,529,135.72
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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.