Finding the Fourth Proportional to 1,948,403.16, 2,922,326.10 and 668,986.70
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Solution
The fourth proportional to 1,948,403.16, 2,922,326.10 and 668,986.70 is: 1,003,384.37
Step by Step Solution
- Step 1: Write the proportion equation
1,948,403.16 : 2,922,326.10 = 668,986.70 : x - Step 2: Convert to fraction form
1,948,403.16/2,922,326.10 = 668,986.70/x - Step 3: Cross multiply
1,948,403.16x = 2,922,326.10 × 668,986.70 - Step 4: Simplify right side
1,948,403.16x = 1,954,997,279,351.24 - Step 5: Solve for x
x = 1,954,997,279,351.24/1,948,403.16 - Step 6: Final answer
x = 1,003,384.37
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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.