Finding the Fourth Proportional to 1,997,758.70, 2,756,232.41 and 1,137,710.02
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Solution
The fourth proportional to 1,997,758.70, 2,756,232.41 and 1,137,710.02 is: 1,569,655.65
Step by Step Solution
- Step 1: Write the proportion equation
1,997,758.70 : 2,756,232.41 = 1,137,710.02 : x - Step 2: Convert to fraction form
1,997,758.70/2,756,232.41 = 1,137,710.02/x - Step 3: Cross multiply
1,997,758.70x = 2,756,232.41 × 1,137,710.02 - Step 4: Simplify right side
1,997,758.70x = 3,135,793,229,294.17 - Step 5: Solve for x
x = 3,135,793,229,294.17/1,997,758.70 - Step 6: Final answer
x = 1,569,655.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.