Finding the Fourth Proportional to 5,265,368.80, 7,895,720.40 and 2,426,351.20
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Solution
The fourth proportional to 5,265,368.80, 7,895,720.40 and 2,426,351.20 is: 3,638,451.82
Step by Step Solution
- Step 1: Write the proportion equation
5,265,368.80 : 7,895,720.40 = 2,426,351.20 : x - Step 2: Convert to fraction form
5,265,368.80/7,895,720.40 = 2,426,351.20/x - Step 3: Cross multiply
5,265,368.80x = 7,895,720.40 × 2,426,351.20 - Step 4: Simplify right side
5,265,368.80x = 19,157,790,667,404.48 - Step 5: Solve for x
x = 19,157,790,667,404.48/5,265,368.80 - Step 6: Final answer
x = 3,638,451.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.