Finding the Fourth Proportional to 1,564,440.21, 2,159,045.42 and 876,077.01
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Solution
The fourth proportional to 1,564,440.21, 2,159,045.42 and 876,077.01 is: 1,209,052.31
Step by Step Solution
- Step 1: Write the proportion equation
1,564,440.21 : 2,159,045.42 = 876,077.01 : x - Step 2: Convert to fraction form
1,564,440.21/2,159,045.42 = 876,077.01/x - Step 3: Cross multiply
1,564,440.21x = 2,159,045.42 × 876,077.01 - Step 4: Simplify right side
1,564,440.21x = 1,891,490,051,627.41 - Step 5: Solve for x
x = 1,891,490,051,627.41/1,564,440.21 - Step 6: Final answer
x = 1,209,052.31
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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.