Finding the Fourth Proportional to 2,687,980.68, 3,709,411.68 and 1,480,756.68
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Solution
The fourth proportional to 2,687,980.68, 3,709,411.68 and 1,480,756.68 is: 2,043,443.30
Step by Step Solution
- Step 1: Write the proportion equation
2,687,980.68 : 3,709,411.68 = 1,480,756.68 : x - Step 2: Convert to fraction form
2,687,980.68/3,709,411.68 = 1,480,756.68/x - Step 3: Cross multiply
2,687,980.68x = 3,709,411.68 × 1,480,756.68 - Step 4: Simplify right side
2,687,980.68x = 5,492,736,124,030.02 - Step 5: Solve for x
x = 5,492,736,124,030.02/2,687,980.68 - Step 6: Final answer
x = 2,043,443.30
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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.