Finding the Fourth Proportional to 1,886,367.84, 2,603,105.96 and 1,026,931.11
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Solution
The fourth proportional to 1,886,367.84, 2,603,105.96 and 1,026,931.11 is: 1,417,120.47
Step by Step Solution
- Step 1: Write the proportion equation
1,886,367.84 : 2,603,105.96 = 1,026,931.11 : x - Step 2: Convert to fraction form
1,886,367.84/2,603,105.96 = 1,026,931.11/x - Step 3: Cross multiply
1,886,367.84x = 2,603,105.96 × 1,026,931.11 - Step 4: Simplify right side
1,886,367.84x = 2,673,210,487,815.76 - Step 5: Solve for x
x = 2,673,210,487,815.76/1,886,367.84 - Step 6: Final answer
x = 1,417,120.47
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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.