Finding the Fourth Proportional to 5,643,364.76, 8,462,970.68 and 1,949,448.48
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Solution
The fourth proportional to 5,643,364.76, 8,462,970.68 and 1,949,448.48 is: 2,923,455.42
Step by Step Solution
- Step 1: Write the proportion equation
5,643,364.76 : 8,462,970.68 = 1,949,448.48 : x - Step 2: Convert to fraction form
5,643,364.76/8,462,970.68 = 1,949,448.48/x - Step 3: Cross multiply
5,643,364.76x = 8,462,970.68 × 1,949,448.48 - Step 4: Simplify right side
5,643,364.76x = 16,498,125,312,535.36 - Step 5: Solve for x
x = 16,498,125,312,535.36/5,643,364.76 - Step 6: Final answer
x = 2,923,455.42
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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.