Finding the Fourth Proportional to 1,768,176.21, 2,652,282.81 and 1,415,432.55
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Solution
The fourth proportional to 1,768,176.21, 2,652,282.81 and 1,415,432.55 is: 2,123,163.63
Step by Step Solution
- Step 1: Write the proportion equation
1,768,176.21 : 2,652,282.81 = 1,415,432.55 : x - Step 2: Convert to fraction form
1,768,176.21/2,652,282.81 = 1,415,432.55/x - Step 3: Cross multiply
1,768,176.21x = 2,652,282.81 × 1,415,432.55 - Step 4: Simplify right side
1,768,176.21x = 3,754,127,421,079.47 - Step 5: Solve for x
x = 3,754,127,421,079.47/1,768,176.21 - Step 6: Final answer
x = 2,123,163.63
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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.