Finding the Fourth Proportional to 5,440,280.74, 8,160,426.58 and 2,028,515.18
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Solution
The fourth proportional to 5,440,280.74, 8,160,426.58 and 2,028,515.18 is: 3,042,774.81
Step by Step Solution
- Step 1: Write the proportion equation
5,440,280.74 : 8,160,426.58 = 2,028,515.18 : x - Step 2: Convert to fraction form
5,440,280.74/8,160,426.58 = 2,028,515.18/x - Step 3: Cross multiply
5,440,280.74x = 8,160,426.58 × 2,028,515.18 - Step 4: Simplify right side
5,440,280.74x = 16,553,549,192,805.48 - Step 5: Solve for x
x = 16,553,549,192,805.48/5,440,280.74 - Step 6: Final answer
x = 3,042,774.81
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1.5x scale
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.