Finding the Fourth Proportional to 2,528,529.80, 3,486,389.58 and 2,043,595.35
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Solution
The fourth proportional to 2,528,529.80, 3,486,389.58 and 2,043,595.35 is: 2,817,751.86
Step by Step Solution
- Step 1: Write the proportion equation
2,528,529.80 : 3,486,389.58 = 2,043,595.35 : x - Step 2: Convert to fraction form
2,528,529.80/3,486,389.58 = 2,043,595.35/x - Step 3: Cross multiply
2,528,529.80x = 3,486,389.58 × 2,043,595.35 - Step 4: Simplify right side
2,528,529.80x = 7,124,769,533,976.45 - Step 5: Solve for x
x = 7,124,769,533,976.45/2,528,529.80 - Step 6: Final answer
x = 2,817,751.86
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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.