Finding the Fourth Proportional to 6,414,345.59, 9,621,437.05 and 1,556,692.08
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Solution
The fourth proportional to 6,414,345.59, 9,621,437.05 and 1,556,692.08 is: 2,335,018.38
Step by Step Solution
- Step 1: Write the proportion equation
6,414,345.59 : 9,621,437.05 = 1,556,692.08 : x - Step 2: Convert to fraction form
6,414,345.59/9,621,437.05 = 1,556,692.08/x - Step 3: Cross multiply
6,414,345.59x = 9,621,437.05 × 1,556,692.08 - Step 4: Simplify right side
6,414,345.59x = 14,977,614,832,057.38 - Step 5: Solve for x
x = 14,977,614,832,057.38/6,414,345.59 - Step 6: Final answer
x = 2,335,018.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.