Finding the Fourth Proportional to 5,408,432.41, 8,113,731.17 and 1,996,739.74
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Solution
The fourth proportional to 5,408,432.41, 8,113,731.17 and 1,996,739.74 is: 2,995,509.27
Step by Step Solution
- Step 1: Write the proportion equation
5,408,432.41 : 8,113,731.17 = 1,996,739.74 : x - Step 2: Convert to fraction form
5,408,432.41/8,113,731.17 = 1,996,739.74/x - Step 3: Cross multiply
5,408,432.41x = 8,113,731.17 × 1,996,739.74 - Step 4: Simplify right side
5,408,432.41x = 16,201,009,416,263.34 - Step 5: Solve for x
x = 16,201,009,416,263.34/5,408,432.41 - Step 6: Final answer
x = 2,995,509.27
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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.