Finding the Fourth Proportional to 2,687,681.08, 3,709,000.20 and 1,480,457.08
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Solution
The fourth proportional to 2,687,681.08, 3,709,000.20 and 1,480,457.08 is: 2,043,030.94
Step by Step Solution
- Step 1: Write the proportion equation
2,687,681.08 : 3,709,000.20 = 1,480,457.08 : x - Step 2: Convert to fraction form
2,687,681.08/3,709,000.20 = 1,480,457.08/x - Step 3: Cross multiply
2,687,681.08x = 3,709,000.20 × 1,480,457.08 - Step 4: Simplify right side
2,687,681.08x = 5,491,015,605,811.42 - Step 5: Solve for x
x = 5,491,015,605,811.42/2,687,681.08 - Step 6: Final answer
x = 2,043,030.94
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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.