Finding the Fourth Proportional to 3,430,368.23, 5,138,692.25 and 2,063,386.91
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Solution
The fourth proportional to 3,430,368.23, 5,138,692.25 and 2,063,386.91 is: 3,090,953.98
Step by Step Solution
- Step 1: Write the proportion equation
3,430,368.23 : 5,138,692.25 = 2,063,386.91 : x - Step 2: Convert to fraction form
3,430,368.23/5,138,692.25 = 2,063,386.91/x - Step 3: Cross multiply
3,430,368.23x = 5,138,692.25 × 2,063,386.91 - Step 4: Simplify right side
3,430,368.23x = 10,603,110,325,698.24 - Step 5: Solve for x
x = 10,603,110,325,698.24/3,430,368.23 - Step 6: Final answer
x = 3,090,953.98
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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.