Finding the Fourth Proportional to 6,257,035.62, 8,630,248.38 and 5,742,448.29
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Solution
The fourth proportional to 6,257,035.62, 8,630,248.38 and 5,742,448.29 is: 7,920,484.72
Step by Step Solution
- Step 1: Write the proportion equation
6,257,035.62 : 8,630,248.38 = 5,742,448.29 : x - Step 2: Convert to fraction form
6,257,035.62/8,630,248.38 = 5,742,448.29/x - Step 3: Cross multiply
6,257,035.62x = 8,630,248.38 × 5,742,448.29 - Step 4: Simplify right side
6,257,035.62x = 49,558,755,030,472.09 - Step 5: Solve for x
x = 49,558,755,030,472.09/6,257,035.62 - Step 6: Final answer
x = 7,920,484.72
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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.