Finding the Fourth Proportional to 1,787,145.58, 2,466,285.84 and 971,349.01
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Solution
The fourth proportional to 1,787,145.58, 2,466,285.84 and 971,349.01 is: 1,340,475.19
Step by Step Solution
- Step 1: Write the proportion equation
1,787,145.58 : 2,466,285.84 = 971,349.01 : x - Step 2: Convert to fraction form
1,787,145.58/2,466,285.84 = 971,349.01/x - Step 3: Cross multiply
1,787,145.58x = 2,466,285.84 × 971,349.01 - Step 4: Simplify right side
1,787,145.58x = 2,395,624,296,729.59 - Step 5: Solve for x
x = 2,395,624,296,729.59/1,787,145.58 - Step 6: Final answer
x = 1,340,475.19
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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.