Finding the Fourth Proportional to 4,255,420.30, 5,872,473.18 and 2,321,681.08
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Solution
The fourth proportional to 4,255,420.30, 5,872,473.18 and 2,321,681.08 is: 3,203,916.16
Step by Step Solution
- Step 1: Write the proportion equation
4,255,420.30 : 5,872,473.18 = 2,321,681.08 : x - Step 2: Convert to fraction form
4,255,420.30/5,872,473.18 = 2,321,681.08/x - Step 3: Cross multiply
4,255,420.30x = 5,872,473.18 × 2,321,681.08 - Step 4: Simplify right side
4,255,420.30x = 13,634,009,874,813.43 - Step 5: Solve for x
x = 13,634,009,874,813.43/4,255,420.30 - Step 6: Final answer
x = 3,203,916.16
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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.