Finding the Fourth Proportional to 2,026,800.08, 2,796,708.70 and 1,210,831.05
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Solution
The fourth proportional to 2,026,800.08, 2,796,708.70 and 1,210,831.05 is: 1,670,782.32
Step by Step Solution
- Step 1: Write the proportion equation
2,026,800.08 : 2,796,708.70 = 1,210,831.05 : x - Step 2: Convert to fraction form
2,026,800.08/2,796,708.70 = 1,210,831.05/x - Step 3: Cross multiply
2,026,800.08x = 2,796,708.70 × 1,210,831.05 - Step 4: Simplify right side
2,026,800.08x = 3,386,341,731,765.14 - Step 5: Solve for x
x = 3,386,341,731,765.14/2,026,800.08 - Step 6: Final answer
x = 1,670,782.32
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1.5x scale
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.