Finding the Fourth Proportional to 5,669,106.80, 7,823,030.24 and 3,221,378.08
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Solution
The fourth proportional to 5,669,106.80, 7,823,030.24 and 3,221,378.08 is: 4,445,310.17
Step by Step Solution
- Step 1: Write the proportion equation
5,669,106.80 : 7,823,030.24 = 3,221,378.08 : x - Step 2: Convert to fraction form
5,669,106.80/7,823,030.24 = 3,221,378.08/x - Step 3: Cross multiply
5,669,106.80x = 7,823,030.24 × 3,221,378.08 - Step 4: Simplify right side
5,669,106.80x = 25,200,938,134,313.14 - Step 5: Solve for x
x = 25,200,938,134,313.14/5,669,106.80 - Step 6: Final answer
x = 4,445,310.17
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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.