Finding the Fourth Proportional to 4,257,355.96, 6,386,875.20 and 1,561,706.20
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Solution
The fourth proportional to 4,257,355.96, 6,386,875.20 and 1,561,706.20 is: 2,342,867.90
Step by Step Solution
- Step 1: Write the proportion equation
4,257,355.96 : 6,386,875.20 = 1,561,706.20 : x - Step 2: Convert to fraction form
4,257,355.96/6,386,875.20 = 1,561,706.20/x - Step 3: Cross multiply
4,257,355.96x = 6,386,875.20 × 1,561,706.20 - Step 4: Simplify right side
4,257,355.96x = 9,974,422,598,466.24 - Step 5: Solve for x
x = 9,974,422,598,466.24/4,257,355.96 - Step 6: Final answer
x = 2,342,867.90
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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.