Finding the Fourth Proportional to 1,464,103.68, 2,020,175.68 and 919,924.16
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Solution
The fourth proportional to 1,464,103.68, 2,020,175.68 and 919,924.16 is: 1,269,314.76
Step by Step Solution
- Step 1: Write the proportion equation
1,464,103.68 : 2,020,175.68 = 919,924.16 : x - Step 2: Convert to fraction form
1,464,103.68/2,020,175.68 = 919,924.16/x - Step 3: Cross multiply
1,464,103.68x = 2,020,175.68 × 919,924.16 - Step 4: Simplify right side
1,464,103.68x = 1,858,408,415,476.43 - Step 5: Solve for x
x = 1,858,408,415,476.43/1,464,103.68 - Step 6: Final answer
x = 1,269,314.76
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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.