Finding the Fourth Proportional to 7,081,440.74, 10,604,224.06 and 4,391,020.68
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Solution
The fourth proportional to 7,081,440.74, 10,604,224.06 and 4,391,020.68 is: 6,575,408.71
Step by Step Solution
- Step 1: Write the proportion equation
7,081,440.74 : 10,604,224.06 = 4,391,020.68 : x - Step 2: Convert to fraction form
7,081,440.74/10,604,224.06 = 4,391,020.68/x - Step 3: Cross multiply
7,081,440.74x = 10,604,224.06 × 4,391,020.68 - Step 4: Simplify right side
7,081,440.74x = 46,563,367,142,813.56 - Step 5: Solve for x
x = 46,563,367,142,813.56/7,081,440.74 - Step 6: Final answer
x = 6,575,408.71
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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.