Finding the Fourth Proportional to 4,831,898.16, 6,667,849.68 and 2,656,425.60
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Solution
The fourth proportional to 4,831,898.16, 6,667,849.68 and 2,656,425.60 is: 3,665,773.99
Step by Step Solution
- Step 1: Write the proportion equation
4,831,898.16 : 6,667,849.68 = 2,656,425.60 : x - Step 2: Convert to fraction form
4,831,898.16/6,667,849.68 = 2,656,425.60/x - Step 3: Cross multiply
4,831,898.16x = 6,667,849.68 × 2,656,425.60 - Step 4: Simplify right side
4,831,898.16x = 17,712,646,586,903.81 - Step 5: Solve for x
x = 17,712,646,586,903.81/4,831,898.16 - Step 6: Final answer
x = 3,665,773.99
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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.