Finding the Fourth Proportional to 2,787,386.76, 3,848,242.84 and 1,755,778.80
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Solution
The fourth proportional to 2,787,386.76, 3,848,242.84 and 1,755,778.80 is: 2,424,013.52
Step by Step Solution
- Step 1: Write the proportion equation
2,787,386.76 : 3,848,242.84 = 1,755,778.80 : x - Step 2: Convert to fraction form
2,787,386.76/3,848,242.84 = 1,755,778.80/x - Step 3: Cross multiply
2,787,386.76x = 3,848,242.84 × 1,755,778.80 - Step 4: Simplify right side
2,787,386.76x = 6,756,663,195,723.79 - Step 5: Solve for x
x = 6,756,663,195,723.79/2,787,386.76 - Step 6: Final answer
x = 2,424,013.52
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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.