Finding the Fourth Proportional to 7,657,540.74, 10,567,477.35 and 4,219,905.06
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Solution
The fourth proportional to 7,657,540.74, 10,567,477.35 and 4,219,905.06 is: 5,823,508.18
Step by Step Solution
- Step 1: Write the proportion equation
7,657,540.74 : 10,567,477.35 = 4,219,905.06 : x - Step 2: Convert to fraction form
7,657,540.74/10,567,477.35 = 4,219,905.06/x - Step 3: Cross multiply
7,657,540.74x = 10,567,477.35 × 4,219,905.06 - Step 4: Simplify right side
7,657,540.74x = 44,593,751,140,700.38 - Step 5: Solve for x
x = 44,593,751,140,700.38/7,657,540.74 - Step 6: Final answer
x = 5,823,508.18
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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.