Finding the Fourth Proportional to 1,790,420.02, 2,470,754.21 and 974,630.45
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Solution
The fourth proportional to 1,790,420.02, 2,470,754.21 and 974,630.45 is: 1,344,976.19
Step by Step Solution
- Step 1: Write the proportion equation
1,790,420.02 : 2,470,754.21 = 974,630.45 : x - Step 2: Convert to fraction form
1,790,420.02/2,470,754.21 = 974,630.45/x - Step 3: Cross multiply
1,790,420.02x = 2,470,754.21 × 974,630.45 - Step 4: Simplify right side
1,790,420.02x = 2,408,072,288,835.43 - Step 5: Solve for x
x = 2,408,072,288,835.43/1,790,420.02 - Step 6: Final answer
x = 1,344,976.19
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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.