Finding the Fourth Proportional to 3,009,237.68, 4,152,747.51 and 1,720,105.75
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Solution
The fourth proportional to 3,009,237.68, 4,152,747.51 and 1,720,105.75 is: 2,373,745.65
Step by Step Solution
- Step 1: Write the proportion equation
3,009,237.68 : 4,152,747.51 = 1,720,105.75 : x - Step 2: Convert to fraction form
3,009,237.68/4,152,747.51 = 1,720,105.75/x - Step 3: Cross multiply
3,009,237.68x = 4,152,747.51 × 1,720,105.75 - Step 4: Simplify right side
3,009,237.68x = 7,143,164,868,598.31 - Step 5: Solve for x
x = 7,143,164,868,598.31/3,009,237.68 - Step 6: Final answer
x = 2,373,745.65
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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.