Finding the Fourth Proportional to 4,621,554.28, 6,375,595.74 and 2,990,488.18
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Solution
The fourth proportional to 4,621,554.28, 6,375,595.74 and 2,990,488.18 is: 4,125,483.02
Step by Step Solution
- Step 1: Write the proportion equation
4,621,554.28 : 6,375,595.74 = 2,990,488.18 : x - Step 2: Convert to fraction form
4,621,554.28/6,375,595.74 = 2,990,488.18/x - Step 3: Cross multiply
4,621,554.28x = 6,375,595.74 × 2,990,488.18 - Step 4: Simplify right side
4,621,554.28x = 19,066,143,700,928.36 - Step 5: Solve for x
x = 19,066,143,700,928.36/4,621,554.28 - Step 6: Final answer
x = 4,125,483.02
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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.