Finding the Fourth Proportional to 1,534,709.70, 2,117,344.05 and 889,774.74
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Solution
The fourth proportional to 1,534,709.70, 2,117,344.05 and 889,774.74 is: 1,227,567.18
Step by Step Solution
- Step 1: Write the proportion equation
1,534,709.70 : 2,117,344.05 = 889,774.74 : x - Step 2: Convert to fraction form
1,534,709.70/2,117,344.05 = 889,774.74/x - Step 3: Cross multiply
1,534,709.70x = 2,117,344.05 × 889,774.74 - Step 4: Simplify right side
1,534,709.70x = 1,883,959,251,579.30 - Step 5: Solve for x
x = 1,883,959,251,579.30/1,534,709.70 - Step 6: Final answer
x = 1,227,567.18
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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.