Finding the Fourth Proportional to 2,167,746.26, 2,991,109.61 and 1,237,029.06
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Solution
The fourth proportional to 2,167,746.26, 2,991,109.61 and 1,237,029.06 is: 1,706,883.12
Step by Step Solution
- Step 1: Write the proportion equation
2,167,746.26 : 2,991,109.61 = 1,237,029.06 : x - Step 2: Convert to fraction form
2,167,746.26/2,991,109.61 = 1,237,029.06/x - Step 3: Cross multiply
2,167,746.26x = 2,991,109.61 × 1,237,029.06 - Step 4: Simplify right side
2,167,746.26x = 3,700,089,509,215.27 - Step 5: Solve for x
x = 3,700,089,509,215.27/2,167,746.26 - Step 6: Final answer
x = 1,706,883.12
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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.