Finding the Fourth Proportional to 4,152,321.70, 6,221,484.15 and 2,017,809.70
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Solution
The fourth proportional to 4,152,321.70, 6,221,484.15 and 2,017,809.70 is: 3,023,313.70
Step by Step Solution
- Step 1: Write the proportion equation
4,152,321.70 : 6,221,484.15 = 2,017,809.70 : x - Step 2: Convert to fraction form
4,152,321.70/6,221,484.15 = 2,017,809.70/x - Step 3: Cross multiply
4,152,321.70x = 6,221,484.15 × 2,017,809.70 - Step 4: Simplify right side
4,152,321.70x = 12,553,771,066,266.26 - Step 5: Solve for x
x = 12,553,771,066,266.26/4,152,321.70 - Step 6: Final answer
x = 3,023,313.70
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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.