Finding the Fourth Proportional to 1,699,819.80, 2,549,829.66 and 485,303.07
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Solution
The fourth proportional to 1,699,819.80, 2,549,829.66 and 485,303.07 is: 727,983.14
Step by Step Solution
- Step 1: Write the proportion equation
1,699,819.80 : 2,549,829.66 = 485,303.07 : x - Step 2: Convert to fraction form
1,699,819.80/2,549,829.66 = 485,303.07/x - Step 3: Cross multiply
1,699,819.80x = 2,549,829.66 × 485,303.07 - Step 4: Simplify right side
1,699,819.80x = 1,237,440,161,975.06 - Step 5: Solve for x
x = 1,237,440,161,975.06/1,699,819.80 - Step 6: Final answer
x = 727,983.14
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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.