Finding the Fourth Proportional to 4,963,676.70, 7,445,515.05 and 1,772,406.30
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Solution
The fourth proportional to 4,963,676.70, 7,445,515.05 and 1,772,406.30 is: 2,658,609.45
Step by Step Solution
- Step 1: Write the proportion equation
4,963,676.70 : 7,445,515.05 = 1,772,406.30 : x - Step 2: Convert to fraction form
4,963,676.70/7,445,515.05 = 1,772,406.30/x - Step 3: Cross multiply
4,963,676.70x = 7,445,515.05 × 1,772,406.30 - Step 4: Simplify right side
4,963,676.70x = 13,196,477,781,364.81 - Step 5: Solve for x
x = 13,196,477,781,364.81/4,963,676.70 - Step 6: Final answer
x = 2,658,609.45
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1.5x scale
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.