Finding the Fourth Proportional to 4,697,074.80, 6,481,853.55 and 2,763,460.08
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Solution
The fourth proportional to 4,697,074.80, 6,481,853.55 and 2,763,460.08 is: 3,813,510.39
Step by Step Solution
- Step 1: Write the proportion equation
4,697,074.80 : 6,481,853.55 = 2,763,460.08 : x - Step 2: Convert to fraction form
4,697,074.80/6,481,853.55 = 2,763,460.08/x - Step 3: Cross multiply
4,697,074.80x = 6,481,853.55 × 2,763,460.08 - Step 4: Simplify right side
4,697,074.80x = 17,912,343,529,831.29 - Step 5: Solve for x
x = 17,912,343,529,831.29/4,697,074.80 - Step 6: Final answer
x = 3,813,510.39
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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.