Finding the Fourth Proportional to 6,257,038.62, 8,630,252.52 and 5,742,451.29
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Solution
The fourth proportional to 6,257,038.62, 8,630,252.52 and 5,742,451.29 is: 7,920,488.86
Step by Step Solution
- Step 1: Write the proportion equation
6,257,038.62 : 8,630,252.52 = 5,742,451.29 : x - Step 2: Convert to fraction form
6,257,038.62/8,630,252.52 = 5,742,451.29/x - Step 3: Cross multiply
6,257,038.62x = 8,630,252.52 × 5,742,451.29 - Step 4: Simplify right side
6,257,038.62x = 49,558,804,716,499.75 - Step 5: Solve for x
x = 49,558,804,716,499.75/6,257,038.62 - Step 6: Final answer
x = 7,920,488.86
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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.