Finding the Fourth Proportional to 1,899,179.87, 2,621,199.50 and 1,125,246.45
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Solution
The fourth proportional to 1,899,179.87, 2,621,199.50 and 1,125,246.45 is: 1,553,036.38
Step by Step Solution
- Step 1: Write the proportion equation
1,899,179.87 : 2,621,199.50 = 1,125,246.45 : x - Step 2: Convert to fraction form
1,899,179.87/2,621,199.50 = 1,125,246.45/x - Step 3: Cross multiply
1,899,179.87x = 2,621,199.50 × 1,125,246.45 - Step 4: Simplify right side
1,899,179.87x = 2,949,495,432,116.78 - Step 5: Solve for x
x = 2,949,495,432,116.78/1,899,179.87 - Step 6: Final answer
x = 1,553,036.38
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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.