Finding the Fourth Proportional to 1,949,235.84, 2,689,980.84 and 1,089,704.34
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Solution
The fourth proportional to 1,949,235.84, 2,689,980.84 and 1,089,704.34 is: 1,503,811.77
Step by Step Solution
- Step 1: Write the proportion equation
1,949,235.84 : 2,689,980.84 = 1,089,704.34 : x - Step 2: Convert to fraction form
1,949,235.84/2,689,980.84 = 1,089,704.34/x - Step 3: Cross multiply
1,949,235.84x = 2,689,980.84 × 1,089,704.34 - Step 4: Simplify right side
1,949,235.84x = 2,931,283,795,864.85 - Step 5: Solve for x
x = 2,931,283,795,864.85/1,949,235.84 - Step 6: Final answer
x = 1,503,811.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.