Finding the Fourth Proportional to 1,580,824.16, 2,181,542.79 and 855,671.67
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Solution
The fourth proportional to 1,580,824.16, 2,181,542.79 and 855,671.67 is: 1,180,829.85
Step by Step Solution
- Step 1: Write the proportion equation
1,580,824.16 : 2,181,542.79 = 855,671.67 : x - Step 2: Convert to fraction form
1,580,824.16/2,181,542.79 = 855,671.67/x - Step 3: Cross multiply
1,580,824.16x = 2,181,542.79 × 855,671.67 - Step 4: Simplify right side
1,580,824.16x = 1,866,684,362,295.76 - Step 5: Solve for x
x = 1,866,684,362,295.76/1,580,824.16 - Step 6: Final answer
x = 1,180,829.85
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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.