Finding the Fourth Proportional to 4,103,673.47, 5,663,758.26 and 2,778,496.19
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Solution
The fourth proportional to 4,103,673.47, 5,663,758.26 and 2,778,496.19 is: 3,834,791.15
Step by Step Solution
- Step 1: Write the proportion equation
4,103,673.47 : 5,663,758.26 = 2,778,496.19 : x - Step 2: Convert to fraction form
4,103,673.47/5,663,758.26 = 2,778,496.19/x - Step 3: Cross multiply
4,103,673.47x = 5,663,758.26 × 2,778,496.19 - Step 4: Simplify right side
4,103,673.47x = 15,736,730,704,279.76 - Step 5: Solve for x
x = 15,736,730,704,279.76/4,103,673.47 - Step 6: Final answer
x = 3,834,791.15
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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.