Finding the Fourth Proportional to 6,425,897.80, 9,620,184.30 and 6,239,273.80
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Solution
The fourth proportional to 6,425,897.80, 9,620,184.30 and 6,239,273.80 is: 9,340,790.30
Step by Step Solution
- Step 1: Write the proportion equation
6,425,897.80 : 9,620,184.30 = 6,239,273.80 : x - Step 2: Convert to fraction form
6,425,897.80/9,620,184.30 = 6,239,273.80/x - Step 3: Cross multiply
6,425,897.80x = 9,620,184.30 × 6,239,273.80 - Step 4: Simplify right side
6,425,897.80x = 60,022,963,854,161.34 - Step 5: Solve for x
x = 60,022,963,854,161.34/6,425,897.80 - Step 6: Final answer
x = 9,340,790.30
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1.5x scale
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.