Finding the Fourth Proportional to 3,113,290.99, 4,667,936.01 and 1,292,911.57
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Solution
The fourth proportional to 3,113,290.99, 4,667,936.01 and 1,292,911.57 is: 1,938,536.58
Step by Step Solution
- Step 1: Write the proportion equation
3,113,290.99 : 4,667,936.01 = 1,292,911.57 : x - Step 2: Convert to fraction form
3,113,290.99/4,667,936.01 = 1,292,911.57/x - Step 3: Cross multiply
3,113,290.99x = 4,667,936.01 × 1,292,911.57 - Step 4: Simplify right side
3,113,290.99x = 6,035,228,476,335.14 - Step 5: Solve for x
x = 6,035,228,476,335.14/3,113,290.99 - Step 6: Final answer
x = 1,938,536.58
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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.