Finding the Fourth Proportional to 5,301,907.74, 7,316,730.18 and 2,947,327.08
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Solution
The fourth proportional to 5,301,907.74, 7,316,730.18 and 2,947,327.08 is: 4,067,365.57
Step by Step Solution
- Step 1: Write the proportion equation
5,301,907.74 : 7,316,730.18 = 2,947,327.08 : x - Step 2: Convert to fraction form
5,301,907.74/7,316,730.18 = 2,947,327.08/x - Step 3: Cross multiply
5,301,907.74x = 7,316,730.18 × 2,947,327.08 - Step 4: Simplify right side
5,301,907.74x = 21,564,796,996,567.27 - Step 5: Solve for x
x = 21,564,796,996,567.27/5,301,907.74 - Step 6: Final answer
x = 4,067,365.57
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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.