Finding the Fourth Proportional to 1,712,847.42, 2,570,865.21 and 872,028.54
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Solution
The fourth proportional to 1,712,847.42, 2,570,865.21 and 872,028.54 is: 1,308,854.37
Step by Step Solution
- Step 1: Write the proportion equation
1,712,847.42 : 2,570,865.21 = 872,028.54 : x - Step 2: Convert to fraction form
1,712,847.42/2,570,865.21 = 872,028.54/x - Step 3: Cross multiply
1,712,847.42x = 2,570,865.21 × 872,028.54 - Step 4: Simplify right side
1,712,847.42x = 2,241,867,835,613.09 - Step 5: Solve for x
x = 2,241,867,835,613.09/1,712,847.42 - Step 6: Final answer
x = 1,308,854.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.