Finding the Fourth Proportional to 1,778,470.88, 2,668,130.96 and 580,395.42
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Solution
The fourth proportional to 1,778,470.88, 2,668,130.96 and 580,395.42 is: 870,731.71
Step by Step Solution
- Step 1: Write the proportion equation
1,778,470.88 : 2,668,130.96 = 580,395.42 : x - Step 2: Convert to fraction form
1,778,470.88/2,668,130.96 = 580,395.42/x - Step 3: Cross multiply
1,778,470.88x = 2,668,130.96 × 580,395.42 - Step 4: Simplify right side
1,778,470.88x = 1,548,570,986,242.23 - Step 5: Solve for x
x = 1,548,570,986,242.23/1,778,470.88 - Step 6: Final answer
x = 870,731.71
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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.