Finding the Fourth Proportional to 2,938,257.18, 4,054,794.93 and 1,649,097.63
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Solution
The fourth proportional to 2,938,257.18, 4,054,794.93 and 1,649,097.63 is: 2,275,754.74
Step by Step Solution
- Step 1: Write the proportion equation
2,938,257.18 : 4,054,794.93 = 1,649,097.63 : x - Step 2: Convert to fraction form
2,938,257.18/4,054,794.93 = 1,649,097.63/x - Step 3: Cross multiply
2,938,257.18x = 4,054,794.93 × 1,649,097.63 - Step 4: Simplify right side
2,938,257.18x = 6,686,752,709,199.02 - Step 5: Solve for x
x = 6,686,752,709,199.02/2,938,257.18 - Step 6: Final answer
x = 2,275,754.74
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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.