Finding the Fourth Proportional to 1,668,621.34, 2,502,936.09 and 470,549.95
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Solution
The fourth proportional to 1,668,621.34, 2,502,936.09 and 470,549.95 is: 705,826.08
Step by Step Solution
- Step 1: Write the proportion equation
1,668,621.34 : 2,502,936.09 = 470,549.95 : x - Step 2: Convert to fraction form
1,668,621.34/2,502,936.09 = 470,549.95/x - Step 3: Cross multiply
1,668,621.34x = 2,502,936.09 × 470,549.95 - Step 4: Simplify right side
1,668,621.34x = 1,177,756,452,002.70 - Step 5: Solve for x
x = 1,177,756,452,002.70/1,668,621.34 - Step 6: Final answer
x = 705,826.08
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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.