Finding the Fourth Proportional to 1,580,492.18, 2,181,084.77 and 855,339.68
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Solution
The fourth proportional to 1,580,492.18, 2,181,084.77 and 855,339.68 is: 1,180,371.77
Step by Step Solution
- Step 1: Write the proportion equation
1,580,492.18 : 2,181,084.77 = 855,339.68 : x - Step 2: Convert to fraction form
1,580,492.18/2,181,084.77 = 855,339.68/x - Step 3: Cross multiply
1,580,492.18x = 2,181,084.77 × 855,339.68 - Step 4: Simplify right side
1,580,492.18x = 1,865,568,349,224.67 - Step 5: Solve for x
x = 1,865,568,349,224.67/1,580,492.18 - Step 6: Final answer
x = 1,180,371.77
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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.