Finding the Fourth Proportional to 1,645,398.24, 2,270,633.76 and 920,237.28
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Solution
The fourth proportional to 1,645,398.24, 2,270,633.76 and 920,237.28 is: 1,269,918.60
Step by Step Solution
- Step 1: Write the proportion equation
1,645,398.24 : 2,270,633.76 = 920,237.28 : x - Step 2: Convert to fraction form
1,645,398.24/2,270,633.76 = 920,237.28/x - Step 3: Cross multiply
1,645,398.24x = 2,270,633.76 × 920,237.28 - Step 4: Simplify right side
1,645,398.24x = 2,089,521,835,178.57 - Step 5: Solve for x
x = 2,089,521,835,178.57/1,645,398.24 - Step 6: Final answer
x = 1,269,918.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.