Finding the Fourth Proportional to 5,104,733.76, 7,649,876.16 and 2,831,258.88
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Solution
The fourth proportional to 5,104,733.76, 7,649,876.16 and 2,831,258.88 is: 4,242,881.38
Step by Step Solution
- Step 1: Write the proportion equation
5,104,733.76 : 7,649,876.16 = 2,831,258.88 : x - Step 2: Convert to fraction form
5,104,733.76/7,649,876.16 = 2,831,258.88/x - Step 3: Cross multiply
5,104,733.76x = 7,649,876.16 × 2,831,258.88 - Step 4: Simplify right side
5,104,733.76x = 21,658,779,808,900.30 - Step 5: Solve for x
x = 21,658,779,808,900.30/5,104,733.76 - Step 6: Final answer
x = 4,242,881.38
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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.