Finding the Fourth Proportional to 5,614,937.60, 8,422,407.62 and 1,572,020.87
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Solution
The fourth proportional to 5,614,937.60, 8,422,407.62 and 1,572,020.87 is: 2,358,031.65
Step by Step Solution
- Step 1: Write the proportion equation
5,614,937.60 : 8,422,407.62 = 1,572,020.87 : x - Step 2: Convert to fraction form
5,614,937.60/8,422,407.62 = 1,572,020.87/x - Step 3: Cross multiply
5,614,937.60x = 8,422,407.62 × 1,572,020.87 - Step 4: Simplify right side
5,614,937.60x = 13,240,200,546,426.93 - Step 5: Solve for x
x = 13,240,200,546,426.93/5,614,937.60 - Step 6: Final answer
x = 2,358,031.65
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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.