Finding the Fourth Proportional to 1,790,288.21, 2,470,652.15 and 1,267,934.63
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Solution
The fourth proportional to 1,790,288.21, 2,470,652.15 and 1,267,934.63 is: 1,749,788.32
Step by Step Solution
- Step 1: Write the proportion equation
1,790,288.21 : 2,470,652.15 = 1,267,934.63 : x - Step 2: Convert to fraction form
1,790,288.21/2,470,652.15 = 1,267,934.63/x - Step 3: Cross multiply
1,790,288.21x = 2,470,652.15 × 1,267,934.63 - Step 4: Simplify right side
1,790,288.21x = 3,132,625,400,976.02 - Step 5: Solve for x
x = 3,132,625,400,976.02/1,790,288.21 - Step 6: Final answer
x = 1,749,788.32
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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.