Finding the Fourth Proportional to 2,857,237.41, 4,287,058.47 and 1,778,652.75
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Solution
The fourth proportional to 2,857,237.41, 4,287,058.47 and 1,778,652.75 is: 2,668,727.60
Step by Step Solution
- Step 1: Write the proportion equation
2,857,237.41 : 4,287,058.47 = 1,778,652.75 : x - Step 2: Convert to fraction form
2,857,237.41/4,287,058.47 = 1,778,652.75/x - Step 3: Cross multiply
2,857,237.41x = 4,287,058.47 × 1,778,652.75 - Step 4: Simplify right side
2,857,237.41x = 7,625,188,311,194.37 - Step 5: Solve for x
x = 7,625,188,311,194.37/2,857,237.41 - Step 6: Final answer
x = 2,668,727.60
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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.