Finding the Fourth Proportional to 3,564,026.70, 5,346,040.05 and 1,289,546.70
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Solution
The fourth proportional to 3,564,026.70, 5,346,040.05 and 1,289,546.70 is: 1,934,320.05
Step by Step Solution
- Step 1: Write the proportion equation
3,564,026.70 : 5,346,040.05 = 1,289,546.70 : x - Step 2: Convert to fraction form
3,564,026.70/5,346,040.05 = 1,289,546.70/x - Step 3: Cross multiply
3,564,026.70x = 5,346,040.05 × 1,289,546.70 - Step 4: Simplify right side
3,564,026.70x = 6,893,968,304,545.34 - Step 5: Solve for x
x = 6,893,968,304,545.34/3,564,026.70 - Step 6: Final answer
x = 1,934,320.05
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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.