Finding the Fourth Proportional to 4,131,685.68, 6,197,885.64 and 1,139,869.68
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Solution
The fourth proportional to 4,131,685.68, 6,197,885.64 and 1,139,869.68 is: 1,709,903.04
Step by Step Solution
- Step 1: Write the proportion equation
4,131,685.68 : 6,197,885.64 = 1,139,869.68 : x - Step 2: Convert to fraction form
4,131,685.68/6,197,885.64 = 1,139,869.68/x - Step 3: Cross multiply
4,131,685.68x = 6,197,885.64 × 1,139,869.68 - Step 4: Simplify right side
4,131,685.68x = 7,064,781,921,143.40 - Step 5: Solve for x
x = 7,064,781,921,143.40/4,131,685.68 - Step 6: Final answer
x = 1,709,903.04
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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.