Finding the Fourth Proportional to 5,391,202.22, 7,439,895.06 and 2,943,830.30
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Solution
The fourth proportional to 5,391,202.22, 7,439,895.06 and 2,943,830.30 is: 4,062,505.47
Step by Step Solution
- Step 1: Write the proportion equation
5,391,202.22 : 7,439,895.06 = 2,943,830.30 : x - Step 2: Convert to fraction form
5,391,202.22/7,439,895.06 = 2,943,830.30/x - Step 3: Cross multiply
5,391,202.22x = 7,439,895.06 × 2,943,830.30 - Step 4: Simplify right side
5,391,202.22x = 21,901,788,506,448.32 - Step 5: Solve for x
x = 21,901,788,506,448.32/5,391,202.22 - Step 6: Final answer
x = 4,062,505.47
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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.