Finding the Fourth Proportional to 2,175,204.34, 3,001,698.54 and 1,208,395.42
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Solution
The fourth proportional to 2,175,204.34, 3,001,698.54 and 1,208,395.42 is: 1,667,539.32
Step by Step Solution
- Step 1: Write the proportion equation
2,175,204.34 : 3,001,698.54 = 1,208,395.42 : x - Step 2: Convert to fraction form
2,175,204.34/3,001,698.54 = 1,208,395.42/x - Step 3: Cross multiply
2,175,204.34x = 3,001,698.54 × 1,208,395.42 - Step 4: Simplify right side
2,175,204.34x = 3,627,238,767,956.69 - Step 5: Solve for x
x = 3,627,238,767,956.69/2,175,204.34 - Step 6: Final answer
x = 1,667,539.32
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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.