Finding the Fourth Proportional to 2,962,981.76, 4,089,246.64 and 1,673,905.12
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Solution
The fourth proportional to 2,962,981.76, 4,089,246.64 and 1,673,905.12 is: 2,310,176.52
Step by Step Solution
- Step 1: Write the proportion equation
2,962,981.76 : 4,089,246.64 = 1,673,905.12 : x - Step 2: Convert to fraction form
2,962,981.76/4,089,246.64 = 1,673,905.12/x - Step 3: Cross multiply
2,962,981.76x = 4,089,246.64 × 1,673,905.12 - Step 4: Simplify right side
2,962,981.76x = 6,845,010,887,638.80 - Step 5: Solve for x
x = 6,845,010,887,638.80/2,962,981.76 - Step 6: Final answer
x = 2,310,176.52
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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.