Finding the Fourth Proportional to 1,412,621.04, 2,105,624.18 and 1,299,246.96
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Solution
The fourth proportional to 1,412,621.04, 2,105,624.18 and 1,299,246.96 is: 1,936,631.08
Step by Step Solution
- Step 1: Write the proportion equation
1,412,621.04 : 2,105,624.18 = 1,299,246.96 : x - Step 2: Convert to fraction form
1,412,621.04/2,105,624.18 = 1,299,246.96/x - Step 3: Cross multiply
1,412,621.04x = 2,105,624.18 × 1,299,246.96 - Step 4: Simplify right side
1,412,621.04x = 2,735,725,814,767.49 - Step 5: Solve for x
x = 2,735,725,814,767.49/1,412,621.04 - Step 6: Final answer
x = 1,936,631.08
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.