Finding the Fourth Proportional to 1,790,465.18, 2,470,834.95 and 974,714.18
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Solution
The fourth proportional to 1,790,465.18, 2,470,834.95 and 974,714.18 is: 1,345,101.76
Step by Step Solution
- Step 1: Write the proportion equation
1,790,465.18 : 2,470,834.95 = 974,714.18 : x - Step 2: Convert to fraction form
1,790,465.18/2,470,834.95 = 974,714.18/x - Step 3: Cross multiply
1,790,465.18x = 2,470,834.95 × 974,714.18 - Step 4: Simplify right side
1,790,465.18x = 2,408,357,862,204.59 - Step 5: Solve for x
x = 2,408,357,862,204.59/1,790,465.18 - Step 6: Final answer
x = 1,345,101.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.