Finding the Fourth Proportional to 5,302,656.11, 7,317,905.56 and 3,127,290.95
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Solution
The fourth proportional to 5,302,656.11, 7,317,905.56 and 3,127,290.95 is: 4,315,803.12
Step by Step Solution
- Step 1: Write the proportion equation
5,302,656.11 : 7,317,905.56 = 3,127,290.95 : x - Step 2: Convert to fraction form
5,302,656.11/7,317,905.56 = 3,127,290.95/x - Step 3: Cross multiply
5,302,656.11x = 7,317,905.56 × 3,127,290.95 - Step 4: Simplify right side
5,302,656.11x = 22,885,219,786,334.93 - Step 5: Solve for x
x = 22,885,219,786,334.93/5,302,656.11 - Step 6: Final answer
x = 4,315,803.12
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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.