Finding the Fourth Proportional to 4,984,880.16, 6,881,430.96 and 2,919,609.12
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Solution
The fourth proportional to 4,984,880.16, 6,881,430.96 and 2,919,609.12 is: 4,030,405.54
Step by Step Solution
- Step 1: Write the proportion equation
4,984,880.16 : 6,881,430.96 = 2,919,609.12 : x - Step 2: Convert to fraction form
4,984,880.16/6,881,430.96 = 2,919,609.12/x - Step 3: Cross multiply
4,984,880.16x = 6,881,430.96 × 2,919,609.12 - Step 4: Simplify right side
4,984,880.16x = 20,091,088,589,466.36 - Step 5: Solve for x
x = 20,091,088,589,466.36/4,984,880.16 - Step 6: Final answer
x = 4,030,405.54
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1.5x scale
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.