Finding the Fourth Proportional to 6,257,027.24, 8,630,237.04 and 5,742,439.84
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Solution
The fourth proportional to 6,257,027.24, 8,630,237.04 and 5,742,439.84 is: 7,920,473.27
Step by Step Solution
- Step 1: Write the proportion equation
6,257,027.24 : 8,630,237.04 = 5,742,439.84 : x - Step 2: Convert to fraction form
6,257,027.24/8,630,237.04 = 5,742,439.84/x - Step 3: Cross multiply
6,257,027.24x = 8,630,237.04 × 5,742,439.84 - Step 4: Simplify right side
6,257,027.24x = 49,558,617,007,139.66 - Step 5: Solve for x
x = 49,558,617,007,139.66/6,257,027.24 - Step 6: Final answer
x = 7,920,473.27
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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.