Finding the Fourth Proportional to 1,890,390.15, 2,834,732.30 and 542,246.81
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Solution
The fourth proportional to 1,890,390.15, 2,834,732.30 and 542,246.81 is: 813,125.55
Step by Step Solution
- Step 1: Write the proportion equation
1,890,390.15 : 2,834,732.30 = 542,246.81 : x - Step 2: Convert to fraction form
1,890,390.15/2,834,732.30 = 542,246.81/x - Step 3: Cross multiply
1,890,390.15x = 2,834,732.30 × 542,246.81 - Step 4: Simplify right side
1,890,390.15x = 1,537,124,529,994.07 - Step 5: Solve for x
x = 1,537,124,529,994.07/1,890,390.15 - Step 6: Final answer
x = 813,125.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.