Finding the Fourth Proportional to 5,470,708.12, 7,549,728.06 and 3,023,477.80
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Solution
The fourth proportional to 5,470,708.12, 7,549,728.06 and 3,023,477.80 is: 4,172,482.74
Step by Step Solution
- Step 1: Write the proportion equation
5,470,708.12 : 7,549,728.06 = 3,023,477.80 : x - Step 2: Convert to fraction form
5,470,708.12/7,549,728.06 = 3,023,477.80/x - Step 3: Cross multiply
5,470,708.12x = 7,549,728.06 × 3,023,477.80 - Step 4: Simplify right side
5,470,708.12x = 22,826,435,185,447.07 - Step 5: Solve for x
x = 22,826,435,185,447.07/5,470,708.12 - Step 6: Final answer
x = 4,172,482.74
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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.