Finding the Fourth Proportional to 6,419,303.84, 8,858,746.36 and 3,479,214.80
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Solution
The fourth proportional to 6,419,303.84, 8,858,746.36 and 3,479,214.80 is: 4,801,374.45
Step by Step Solution
- Step 1: Write the proportion equation
6,419,303.84 : 8,858,746.36 = 3,479,214.80 : x - Step 2: Convert to fraction form
6,419,303.84/8,858,746.36 = 3,479,214.80/x - Step 3: Cross multiply
6,419,303.84x = 8,858,746.36 × 3,479,214.80 - Step 4: Simplify right side
6,419,303.84x = 30,821,481,445,158.12 - Step 5: Solve for x
x = 30,821,481,445,158.12/6,419,303.84 - Step 6: Final answer
x = 4,801,374.45
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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.