Finding the Fourth Proportional to 6,363,369.78, 8,781,635.09 and 3,462,947.70
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Solution
The fourth proportional to 6,363,369.78, 8,781,635.09 and 3,462,947.70 is: 4,778,968.39
Step by Step Solution
- Step 1: Write the proportion equation
6,363,369.78 : 8,781,635.09 = 3,462,947.70 : x - Step 2: Convert to fraction form
6,363,369.78/8,781,635.09 = 3,462,947.70/x - Step 3: Cross multiply
6,363,369.78x = 8,781,635.09 × 3,462,947.70 - Step 4: Simplify right side
6,363,369.78x = 30,410,343,019,840.06 - Step 5: Solve for x
x = 30,410,343,019,840.06/6,363,369.78 - Step 6: Final answer
x = 4,778,968.39
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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.