Finding the Fourth Proportional to 2,992,423.68, 4,126,809.60 and 2,339,136
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Solution
The fourth proportional to 2,992,423.68, 4,126,809.60 and 2,339,136 is: 3,225,869.71
Step by Step Solution
- Step 1: Write the proportion equation
2,992,423.68 : 4,126,809.60 = 2,339,136 : x - Step 2: Convert to fraction form
2,992,423.68/4,126,809.60 = 2,339,136/x - Step 3: Cross multiply
2,992,423.68x = 4,126,809.60 × 2,339,136 - Step 4: Simplify right side
2,992,423.68x = 9,653,168,900,505.60 - Step 5: Solve for x
x = 9,653,168,900,505.60/2,992,423.68 - Step 6: Final answer
x = 3,225,869.71
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1.5x scale
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.