Finding the Fourth Proportional to 2,149,515.99, 2,965,072.25 and 1,374,864.19
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Solution
The fourth proportional to 2,149,515.99, 2,965,072.25 and 1,374,864.19 is: 1,896,506.78
Step by Step Solution
- Step 1: Write the proportion equation
2,149,515.99 : 2,965,072.25 = 1,374,864.19 : x - Step 2: Convert to fraction form
2,149,515.99/2,965,072.25 = 1,374,864.19/x - Step 3: Cross multiply
2,149,515.99x = 2,965,072.25 × 1,374,864.19 - Step 4: Simplify right side
2,149,515.99x = 4,076,571,653,312.21 - Step 5: Solve for x
x = 4,076,571,653,312.21/2,149,515.99 - Step 6: Final answer
x = 1,896,506.78
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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.