Finding the Fourth Proportional to 2,842,408.68, 3,922,575.30 and 1,553,303.40
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Solution
The fourth proportional to 2,842,408.68, 3,922,575.30 and 1,553,303.40 is: 2,143,586.74
Step by Step Solution
- Step 1: Write the proportion equation
2,842,408.68 : 3,922,575.30 = 1,553,303.40 : x - Step 2: Convert to fraction form
2,842,408.68/3,922,575.30 = 1,553,303.40/x - Step 3: Cross multiply
2,842,408.68x = 3,922,575.30 × 1,553,303.40 - Step 4: Simplify right side
2,842,408.68x = 6,092,949,550,246.02 - Step 5: Solve for x
x = 6,092,949,550,246.02/2,842,408.68 - Step 6: Final answer
x = 2,143,586.74
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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.