Finding the Fourth Proportional to 1,768,615.40, 2,653,439.70 and 570,511.12
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Solution
The fourth proportional to 1,768,615.40, 2,653,439.70 and 570,511.12 is: 855,933.32
Step by Step Solution
- Step 1: Write the proportion equation
1,768,615.40 : 2,653,439.70 = 570,511.12 : x - Step 2: Convert to fraction form
1,768,615.40/2,653,439.70 = 570,511.12/x - Step 3: Cross multiply
1,768,615.40x = 2,653,439.70 × 570,511.12 - Step 4: Simplify right side
1,768,615.40x = 1,513,816,855,099.46 - Step 5: Solve for x
x = 1,513,816,855,099.46/1,768,615.40 - Step 6: Final answer
x = 855,933.32
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1.5x scale
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.