Finding the Fourth Proportional to 2,630,681.98, 3,630,947.79 and 1,543,302.88
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Solution
The fourth proportional to 2,630,681.98, 3,630,947.79 and 1,543,302.88 is: 2,130,113.87
Step by Step Solution
- Step 1: Write the proportion equation
2,630,681.98 : 3,630,947.79 = 1,543,302.88 : x - Step 2: Convert to fraction form
2,630,681.98/3,630,947.79 = 1,543,302.88/x - Step 3: Cross multiply
2,630,681.98x = 3,630,947.79 × 1,543,302.88 - Step 4: Simplify right side
2,630,681.98x = 5,603,652,181,436.64 - Step 5: Solve for x
x = 5,603,652,181,436.64/2,630,681.98 - Step 6: Final answer
x = 2,130,113.87
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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.