Finding the Fourth Proportional to 2,379,427.65, 3,564,811.17 and 2,124,335.97
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Solution
The fourth proportional to 2,379,427.65, 3,564,811.17 and 2,124,335.97 is: 3,182,637.89
Step by Step Solution
- Step 1: Write the proportion equation
2,379,427.65 : 3,564,811.17 = 2,124,335.97 : x - Step 2: Convert to fraction form
2,379,427.65/3,564,811.17 = 2,124,335.97/x - Step 3: Cross multiply
2,379,427.65x = 3,564,811.17 × 2,124,335.97 - Step 4: Simplify right side
2,379,427.65x = 7,572,856,594,688.79 - Step 5: Solve for x
x = 7,572,856,594,688.79/2,379,427.65 - Step 6: Final answer
x = 3,182,637.89
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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.