Finding the Fourth Proportional to 1,690,287.55, 2,533,739.84 and 837,982.87
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Solution
The fourth proportional to 1,690,287.55, 2,533,739.84 and 837,982.87 is: 1,256,135.73
Step by Step Solution
- Step 1: Write the proportion equation
1,690,287.55 : 2,533,739.84 = 837,982.87 : x - Step 2: Convert to fraction form
1,690,287.55/2,533,739.84 = 837,982.87/x - Step 3: Cross multiply
1,690,287.55x = 2,533,739.84 × 837,982.87 - Step 4: Simplify right side
1,690,287.55x = 2,123,230,575,574.71 - Step 5: Solve for x
x = 2,123,230,575,574.71/1,690,287.55 - Step 6: Final answer
x = 1,256,135.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.