Finding the Fourth Proportional to 1,708,458.74, 2,357,677.30 and 934,139.54
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Solution
The fourth proportional to 1,708,458.74, 2,357,677.30 and 934,139.54 is: 1,289,114.88
Step by Step Solution
- Step 1: Write the proportion equation
1,708,458.74 : 2,357,677.30 = 934,139.54 : x - Step 2: Convert to fraction form
1,708,458.74/2,357,677.30 = 934,139.54/x - Step 3: Cross multiply
1,708,458.74x = 2,357,677.30 × 934,139.54 - Step 4: Simplify right side
1,708,458.74x = 2,202,399,588,490.44 - Step 5: Solve for x
x = 2,202,399,588,490.44/1,708,458.74 - Step 6: Final answer
x = 1,289,114.88
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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.