Finding the Fourth Proportional to 2,778,880.26, 3,834,854.74 and 1,507,072.26
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Solution
The fourth proportional to 2,778,880.26, 3,834,854.74 and 1,507,072.26 is: 2,079,759.71
Step by Step Solution
- Step 1: Write the proportion equation
2,778,880.26 : 3,834,854.74 = 1,507,072.26 : x - Step 2: Convert to fraction form
2,778,880.26/3,834,854.74 = 1,507,072.26/x - Step 3: Cross multiply
2,778,880.26x = 3,834,854.74 × 1,507,072.26 - Step 4: Simplify right side
2,778,880.26x = 5,779,403,199,783.51 - Step 5: Solve for x
x = 5,779,403,199,783.51/2,778,880.26 - Step 6: Final answer
x = 2,079,759.71
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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.