Finding the Fourth Proportional to 1,615,554.21, 2,229,435.84 and 880,515.07
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Solution
The fourth proportional to 1,615,554.21, 2,229,435.84 and 880,515.07 is: 1,215,095.01
Step by Step Solution
- Step 1: Write the proportion equation
1,615,554.21 : 2,229,435.84 = 880,515.07 : x - Step 2: Convert to fraction form
1,615,554.21/2,229,435.84 = 880,515.07/x - Step 3: Cross multiply
1,615,554.21x = 2,229,435.84 × 880,515.07 - Step 4: Simplify right side
1,615,554.21x = 1,963,051,854,718.11 - Step 5: Solve for x
x = 1,963,051,854,718.11/1,615,554.21 - Step 6: Final answer
x = 1,215,095.01
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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.