Finding the Fourth Proportional to 1,972,908.36, 2,957,585.34 and 709,847.28
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Solution
The fourth proportional to 1,972,908.36, 2,957,585.34 and 709,847.28 is: 1,064,131.49
Step by Step Solution
- Step 1: Write the proportion equation
1,972,908.36 : 2,957,585.34 = 709,847.28 : x - Step 2: Convert to fraction form
1,972,908.36/2,957,585.34 = 709,847.28/x - Step 3: Cross multiply
1,972,908.36x = 2,957,585.34 × 709,847.28 - Step 4: Simplify right side
1,972,908.36x = 2,099,433,908,966.88 - Step 5: Solve for x
x = 2,099,433,908,966.88/1,972,908.36 - Step 6: Final answer
x = 1,064,131.49
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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.