Finding the Fourth Proportional to 1,607,046.18, 2,217,750.74 and 881,961.36
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Solution
The fourth proportional to 1,607,046.18, 2,217,750.74 and 881,961.36 is: 1,217,121.51
Step by Step Solution
- Step 1: Write the proportion equation
1,607,046.18 : 2,217,750.74 = 881,961.36 : x - Step 2: Convert to fraction form
1,607,046.18/2,217,750.74 = 881,961.36/x - Step 3: Cross multiply
1,607,046.18x = 2,217,750.74 × 881,961.36 - Step 4: Simplify right side
1,607,046.18x = 1,955,970,461,847.24 - Step 5: Solve for x
x = 1,955,970,461,847.24/1,607,046.18 - Step 6: Final answer
x = 1,217,121.51
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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.