Finding the Fourth Proportional to 4,718,305.68, 7,077,387.40 and 2,122,777.46
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Solution
The fourth proportional to 4,718,305.68, 7,077,387.40 and 2,122,777.46 is: 3,184,134.19
Step by Step Solution
- Step 1: Write the proportion equation
4,718,305.68 : 7,077,387.40 = 2,122,777.46 : x - Step 2: Convert to fraction form
4,718,305.68/7,077,387.40 = 2,122,777.46/x - Step 3: Cross multiply
4,718,305.68x = 7,077,387.40 × 2,122,777.46 - Step 4: Simplify right side
4,718,305.68x = 15,023,718,448,408.00 - Step 5: Solve for x
x = 15,023,718,448,408.00/4,718,305.68 - Step 6: Final answer
x = 3,184,134.19
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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.