Finding the Fourth Proportional to 6,475,980.57, 8,936,866.45 and 3,575,377.05
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Solution
The fourth proportional to 6,475,980.57, 8,936,866.45 and 3,575,377.05 is: 4,934,027.65
Step by Step Solution
- Step 1: Write the proportion equation
6,475,980.57 : 8,936,866.45 = 3,575,377.05 : x - Step 2: Convert to fraction form
6,475,980.57/8,936,866.45 = 3,575,377.05/x - Step 3: Cross multiply
6,475,980.57x = 8,936,866.45 × 3,575,377.05 - Step 4: Simplify right side
6,475,980.57x = 31,952,667,204,244.97 - Step 5: Solve for x
x = 31,952,667,204,244.97/6,475,980.57 - Step 6: Final answer
x = 4,934,027.65
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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.