Finding the Fourth Proportional to 4,212,749.88, 6,319,387.42 and 1,688,077.08
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Solution
The fourth proportional to 4,212,749.88, 6,319,387.42 and 1,688,077.08 is: 2,532,220.85
Step by Step Solution
- Step 1: Write the proportion equation
4,212,749.88 : 6,319,387.42 = 1,688,077.08 : x - Step 2: Convert to fraction form
4,212,749.88/6,319,387.42 = 1,688,077.08/x - Step 3: Cross multiply
4,212,749.88x = 6,319,387.42 × 1,688,077.08 - Step 4: Simplify right side
4,212,749.88x = 10,667,613,063,342.33 - Step 5: Solve for x
x = 10,667,613,063,342.33/4,212,749.88 - Step 6: Final answer
x = 2,532,220.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.