Finding the Fourth Proportional to 2,688,575.16, 3,710,317.74 and 1,542,865.08
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Solution
The fourth proportional to 2,688,575.16, 3,710,317.74 and 1,542,865.08 is: 2,129,202.03
Step by Step Solution
- Step 1: Write the proportion equation
2,688,575.16 : 3,710,317.74 = 1,542,865.08 : x - Step 2: Convert to fraction form
2,688,575.16/3,710,317.74 = 1,542,865.08/x - Step 3: Cross multiply
2,688,575.16x = 3,710,317.74 × 1,542,865.08 - Step 4: Simplify right side
2,688,575.16x = 5,724,519,676,750.52 - Step 5: Solve for x
x = 5,724,519,676,750.52/2,688,575.16 - Step 6: Final answer
x = 2,129,202.03
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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.