Finding the Fourth Proportional to 3,803,211.02, 5,246,781.76 and 2,515,848.05
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Solution
The fourth proportional to 3,803,211.02, 5,246,781.76 and 2,515,848.05 is: 3,470,779.19
Step by Step Solution
- Step 1: Write the proportion equation
3,803,211.02 : 5,246,781.76 = 2,515,848.05 : x - Step 2: Convert to fraction form
3,803,211.02/5,246,781.76 = 2,515,848.05/x - Step 3: Cross multiply
3,803,211.02x = 5,246,781.76 × 2,515,848.05 - Step 4: Simplify right side
3,803,211.02x = 13,200,105,659,671.57 - Step 5: Solve for x
x = 13,200,105,659,671.57/3,803,211.02 - Step 6: Final answer
x = 3,470,779.19
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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.