Finding the Fourth Proportional to 5,195,210.98, 7,169,709.45 and 2,903,554.66
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Solution
The fourth proportional to 5,195,210.98, 7,169,709.45 and 2,903,554.66 is: 4,007,083.32
Step by Step Solution
- Step 1: Write the proportion equation
5,195,210.98 : 7,169,709.45 = 2,903,554.66 : x - Step 2: Convert to fraction form
5,195,210.98/7,169,709.45 = 2,903,554.66/x - Step 3: Cross multiply
5,195,210.98x = 7,169,709.45 × 2,903,554.66 - Step 4: Simplify right side
5,195,210.98x = 20,817,643,284,393.54 - Step 5: Solve for x
x = 20,817,643,284,393.54/5,195,210.98 - Step 6: Final answer
x = 4,007,083.32
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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.