Finding the Fourth Proportional to 5,557,749.36, 7,671,135.96 and 3,144,701.04
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Solution
The fourth proportional to 5,557,749.36, 7,671,135.96 and 3,144,701.04 is: 4,340,503.26
Step by Step Solution
- Step 1: Write the proportion equation
5,557,749.36 : 7,671,135.96 = 3,144,701.04 : x - Step 2: Convert to fraction form
5,557,749.36/7,671,135.96 = 3,144,701.04/x - Step 3: Cross multiply
5,557,749.36x = 7,671,135.96 × 3,144,701.04 - Step 4: Simplify right side
5,557,749.36x = 24,123,429,231,393.40 - Step 5: Solve for x
x = 24,123,429,231,393.40/5,557,749.36 - Step 6: Final answer
x = 4,340,503.26
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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.