Finding the Fourth Proportional to 4,139,529.80, 5,712,542.70 and 2,328,693.80
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Solution
The fourth proportional to 4,139,529.80, 5,712,542.70 and 2,328,693.80 is: 3,213,592.71
Step by Step Solution
- Step 1: Write the proportion equation
4,139,529.80 : 5,712,542.70 = 2,328,693.80 : x - Step 2: Convert to fraction form
4,139,529.80/5,712,542.70 = 2,328,693.80/x - Step 3: Cross multiply
4,139,529.80x = 5,712,542.70 × 2,328,693.80 - Step 4: Simplify right side
4,139,529.80x = 13,302,762,767,725.26 - Step 5: Solve for x
x = 13,302,762,767,725.26/4,139,529.80 - Step 6: Final answer
x = 3,213,592.71
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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.