Finding the Fourth Proportional to 1,627,947.12, 2,246,567.16 and 902,905.68
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Solution
The fourth proportional to 1,627,947.12, 2,246,567.16 and 902,905.68 is: 1,246,009.91
Step by Step Solution
- Step 1: Write the proportion equation
1,627,947.12 : 2,246,567.16 = 902,905.68 : x - Step 2: Convert to fraction form
1,627,947.12/2,246,567.16 = 902,905.68/x - Step 3: Cross multiply
1,627,947.12x = 2,246,567.16 × 902,905.68 - Step 4: Simplify right side
1,627,947.12x = 2,028,438,249,265.47 - Step 5: Solve for x
x = 2,028,438,249,265.47/1,627,947.12 - Step 6: Final answer
x = 1,246,009.91
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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.