Finding the Fourth Proportional to 2,625,595.63, 3,938,394.11 and 828,619.74
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Solution
The fourth proportional to 2,625,595.63, 3,938,394.11 and 828,619.74 is: 1,242,929.82
Step by Step Solution
- Step 1: Write the proportion equation
2,625,595.63 : 3,938,394.11 = 828,619.74 : x - Step 2: Convert to fraction form
2,625,595.63/3,938,394.11 = 828,619.74/x - Step 3: Cross multiply
2,625,595.63x = 3,938,394.11 × 828,619.74 - Step 4: Simplify right side
2,625,595.63x = 3,263,431,115,363.27 - Step 5: Solve for x
x = 3,263,431,115,363.27/2,625,595.63 - Step 6: Final answer
x = 1,242,929.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.