Finding the Fourth Proportional to 5,470,707.12, 7,549,726.68 and 3,023,476.80
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Solution
The fourth proportional to 5,470,707.12, 7,549,726.68 and 3,023,476.80 is: 4,172,481.36
Step by Step Solution
- Step 1: Write the proportion equation
5,470,707.12 : 7,549,726.68 = 3,023,476.80 : x - Step 2: Convert to fraction form
5,470,707.12/7,549,726.68 = 3,023,476.80/x - Step 3: Cross multiply
5,470,707.12x = 7,549,726.68 × 3,023,476.80 - Step 4: Simplify right side
5,470,707.12x = 22,826,423,463,321.02 - Step 5: Solve for x
x = 22,826,423,463,321.02/5,470,707.12 - Step 6: Final answer
x = 4,172,481.36
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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.