Finding the Fourth Proportional to 2,074,257.80, 3,111,386.70 and 498,321.80
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Solution
The fourth proportional to 2,074,257.80, 3,111,386.70 and 498,321.80 is: 747,482.70
Step by Step Solution
- Step 1: Write the proportion equation
2,074,257.80 : 3,111,386.70 = 498,321.80 : x - Step 2: Convert to fraction form
2,074,257.80/3,111,386.70 = 498,321.80/x - Step 3: Cross multiply
2,074,257.80x = 3,111,386.70 × 498,321.80 - Step 4: Simplify right side
2,074,257.80x = 1,550,471,820,840.06 - Step 5: Solve for x
x = 1,550,471,820,840.06/2,074,257.80 - Step 6: Final answer
x = 747,482.70
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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.