Finding the Fourth Proportional to 3,457,281.70, 4,770,923.71 and 1,908,510.13
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Solution
The fourth proportional to 3,457,281.70, 4,770,923.71 and 1,908,510.13 is: 2,633,674.95
Step by Step Solution
- Step 1: Write the proportion equation
3,457,281.70 : 4,770,923.71 = 1,908,510.13 : x - Step 2: Convert to fraction form
3,457,281.70/4,770,923.71 = 1,908,510.13/x - Step 3: Cross multiply
3,457,281.70x = 4,770,923.71 × 1,908,510.13 - Step 4: Simplify right side
3,457,281.70x = 9,105,356,196,595.01 - Step 5: Solve for x
x = 9,105,356,196,595.01/3,457,281.70 - Step 6: Final answer
x = 2,633,674.95
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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.