Finding the Fourth Proportional to 1,467,497.80, 2,201,246.70 and 1,257,545.80
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Solution
The fourth proportional to 1,467,497.80, 2,201,246.70 and 1,257,545.80 is: 1,886,318.70
Step by Step Solution
- Step 1: Write the proportion equation
1,467,497.80 : 2,201,246.70 = 1,257,545.80 : x - Step 2: Convert to fraction form
1,467,497.80/2,201,246.70 = 1,257,545.80/x - Step 3: Cross multiply
1,467,497.80x = 2,201,246.70 × 1,257,545.80 - Step 4: Simplify right side
1,467,497.80x = 2,768,168,542,348.86 - Step 5: Solve for x
x = 2,768,168,542,348.86/1,467,497.80 - Step 6: Final answer
x = 1,886,318.70
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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.