Finding the Fourth Proportional to 1,943,502.99, 2,915,254.24 and 664,121.51
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Solution
The fourth proportional to 1,943,502.99, 2,915,254.24 and 664,121.51 is: 996,182.18
Step by Step Solution
- Step 1: Write the proportion equation
1,943,502.99 : 2,915,254.24 = 664,121.51 : x - Step 2: Convert to fraction form
1,943,502.99/2,915,254.24 = 664,121.51/x - Step 3: Cross multiply
1,943,502.99x = 2,915,254.24 × 664,121.51 - Step 4: Simplify right side
1,943,502.99x = 1,936,083,038,134.86 - Step 5: Solve for x
x = 1,936,083,038,134.86/1,943,502.99 - Step 6: Final answer
x = 996,182.18
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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.