Finding the Fourth Proportional to 6,623,980.68, 9,925,831.44 and 4,456,980.84
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Solution
The fourth proportional to 6,623,980.68, 9,925,831.44 and 4,456,980.84 is: 6,678,648.79
Step by Step Solution
- Step 1: Write the proportion equation
6,623,980.68 : 9,925,831.44 = 4,456,980.84 : x - Step 2: Convert to fraction form
6,623,980.68/9,925,831.44 = 4,456,980.84/x - Step 3: Cross multiply
6,623,980.68x = 9,925,831.44 × 4,456,980.84 - Step 4: Simplify right side
6,623,980.68x = 44,239,240,549,149.61 - Step 5: Solve for x
x = 44,239,240,549,149.61/6,623,980.68 - Step 6: Final answer
x = 6,678,648.79
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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.