Finding the Fourth Proportional to 3,423,285.12, 4,724,281.05 and 1,895,392.23
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Solution
The fourth proportional to 3,423,285.12, 4,724,281.05 and 1,895,392.23 is: 2,615,722.99
Step by Step Solution
- Step 1: Write the proportion equation
3,423,285.12 : 4,724,281.05 = 1,895,392.23 : x - Step 2: Convert to fraction form
3,423,285.12/4,724,281.05 = 1,895,392.23/x - Step 3: Cross multiply
3,423,285.12x = 4,724,281.05 × 1,895,392.23 - Step 4: Simplify right side
3,423,285.12x = 8,954,365,594,506.24 - Step 5: Solve for x
x = 8,954,365,594,506.24/3,423,285.12 - Step 6: Final answer
x = 2,615,722.99
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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.