Finding the Fourth Proportional to 1,787,139.24, 2,466,277.11 and 971,342.67
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Solution
The fourth proportional to 1,787,139.24, 2,466,277.11 and 971,342.67 is: 1,340,466.45
Step by Step Solution
- Step 1: Write the proportion equation
1,787,139.24 : 2,466,277.11 = 971,342.67 : x - Step 2: Convert to fraction form
1,787,139.24/2,466,277.11 = 971,342.67/x - Step 3: Cross multiply
1,787,139.24x = 2,466,277.11 × 971,342.67 - Step 4: Simplify right side
1,787,139.24x = 2,395,600,192,987.28 - Step 5: Solve for x
x = 2,395,600,192,987.28/1,787,139.24 - Step 6: Final answer
x = 1,340,466.45
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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.