Finding the Fourth Proportional to 1,898,645.76, 2,620,121.58 and 1,027,479.81
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Solution
The fourth proportional to 1,898,645.76, 2,620,121.58 and 1,027,479.81 is: 1,417,916.96
Step by Step Solution
- Step 1: Write the proportion equation
1,898,645.76 : 2,620,121.58 = 1,027,479.81 : x - Step 2: Convert to fraction form
1,898,645.76/2,620,121.58 = 1,027,479.81/x - Step 3: Cross multiply
1,898,645.76x = 2,620,121.58 × 1,027,479.81 - Step 4: Simplify right side
1,898,645.76x = 2,692,122,023,195.30 - Step 5: Solve for x
x = 2,692,122,023,195.30/1,898,645.76 - Step 6: Final answer
x = 1,417,916.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.