Finding the Fourth Proportional to 1,768,160.16, 2,652,258.77 and 1,415,416.50
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Solution
The fourth proportional to 1,768,160.16, 2,652,258.77 and 1,415,416.50 is: 2,123,139.58
Step by Step Solution
- Step 1: Write the proportion equation
1,768,160.16 : 2,652,258.77 = 1,415,416.50 : x - Step 2: Convert to fraction form
1,768,160.16/2,652,258.77 = 1,415,416.50/x - Step 3: Cross multiply
1,768,160.16x = 2,652,258.77 × 1,415,416.50 - Step 4: Simplify right side
1,768,160.16x = 3,754,050,818,250.62 - Step 5: Solve for x
x = 3,754,050,818,250.62/1,768,160.16 - Step 6: Final answer
x = 2,123,139.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.