Finding the Fourth Proportional to 3,708,416.80, 5,554,330.80 and 3,210,752.80
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Solution
The fourth proportional to 3,708,416.80, 5,554,330.80 and 3,210,752.80 is: 4,808,947.90
Step by Step Solution
- Step 1: Write the proportion equation
3,708,416.80 : 5,554,330.80 = 3,210,752.80 : x - Step 2: Convert to fraction form
3,708,416.80/5,554,330.80 = 3,210,752.80/x - Step 3: Cross multiply
3,708,416.80x = 5,554,330.80 × 3,210,752.80 - Step 4: Simplify right side
3,708,416.80x = 17,833,583,168,226.24 - Step 5: Solve for x
x = 17,833,583,168,226.24/3,708,416.80 - Step 6: Final answer
x = 4,808,947.90
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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.