Finding the Fourth Proportional to 1,787,955.63, 2,467,378.76 and 983,139.63
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Solution
The fourth proportional to 1,787,955.63, 2,467,378.76 and 983,139.63 is: 1,356,732.68
Step by Step Solution
- Step 1: Write the proportion equation
1,787,955.63 : 2,467,378.76 = 983,139.63 : x - Step 2: Convert to fraction form
1,787,955.63/2,467,378.76 = 983,139.63/x - Step 3: Cross multiply
1,787,955.63x = 2,467,378.76 × 983,139.63 - Step 4: Simplify right side
1,787,955.63x = 2,425,777,841,176.26 - Step 5: Solve for x
x = 2,425,777,841,176.26/1,787,955.63 - Step 6: Final answer
x = 1,356,732.68
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1.5x scale
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.