Finding the Fourth Proportional to 6,291,690.84, 9,437,506.97 and 1,974,057.12
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Solution
The fourth proportional to 6,291,690.84, 9,437,506.97 and 1,974,057.12 is: 2,961,076.49
Step by Step Solution
- Step 1: Write the proportion equation
6,291,690.84 : 9,437,506.97 = 1,974,057.12 : x - Step 2: Convert to fraction form
6,291,690.84/9,437,506.97 = 1,974,057.12/x - Step 3: Cross multiply
6,291,690.84x = 9,437,506.97 × 1,974,057.12 - Step 4: Simplify right side
6,291,690.84x = 18,630,177,819,307.84 - Step 5: Solve for x
x = 18,630,177,819,307.84/6,291,690.84 - Step 6: Final answer
x = 2,961,076.49
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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.