Finding the Fourth Proportional to 2,239,315.80, 3,358,973.70 and 556,419.30
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Solution
The fourth proportional to 2,239,315.80, 3,358,973.70 and 556,419.30 is: 834,628.95
Step by Step Solution
- Step 1: Write the proportion equation
2,239,315.80 : 3,358,973.70 = 556,419.30 : x - Step 2: Convert to fraction form
2,239,315.80/3,358,973.70 = 556,419.30/x - Step 3: Cross multiply
2,239,315.80x = 3,358,973.70 × 556,419.30 - Step 4: Simplify right side
2,239,315.80x = 1,868,997,794,872.41 - Step 5: Solve for x
x = 1,868,997,794,872.41/2,239,315.80 - Step 6: Final answer
x = 834,628.95
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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.