Finding the Fourth Proportional to 1,658,895.96, 2,289,649.81 and 1,085,603.98
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Solution
The fourth proportional to 1,658,895.96, 2,289,649.81 and 1,085,603.98 is: 1,498,377.84
Step by Step Solution
- Step 1: Write the proportion equation
1,658,895.96 : 2,289,649.81 = 1,085,603.98 : x - Step 2: Convert to fraction form
1,658,895.96/2,289,649.81 = 1,085,603.98/x - Step 3: Cross multiply
1,658,895.96x = 2,289,649.81 × 1,085,603.98 - Step 4: Simplify right side
1,658,895.96x = 2,485,652,939,519.65 - Step 5: Solve for x
x = 2,485,652,939,519.65/1,658,895.96 - Step 6: Final answer
x = 1,498,377.84
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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.