Finding the Fourth Proportional to 6,471,488.57, 8,930,644.07 and 3,570,877.08
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Solution
The fourth proportional to 6,471,488.57, 8,930,644.07 and 3,570,877.08 is: 4,927,804.77
Step by Step Solution
- Step 1: Write the proportion equation
6,471,488.57 : 8,930,644.07 = 3,570,877.08 : x - Step 2: Convert to fraction form
6,471,488.57/8,930,644.07 = 3,570,877.08/x - Step 3: Cross multiply
6,471,488.57x = 8,930,644.07 × 3,570,877.08 - Step 4: Simplify right side
6,471,488.57x = 31,890,232,201,346.53 - Step 5: Solve for x
x = 31,890,232,201,346.53/6,471,488.57 - Step 6: Final answer
x = 4,927,804.77
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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.