Finding the Fourth Proportional to 1,818,442.73, 2,506,843.58 and 1,430,584.53
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Solution
The fourth proportional to 1,818,442.73, 2,506,843.58 and 1,430,584.53 is: 1,972,155.40
Step by Step Solution
- Step 1: Write the proportion equation
1,818,442.73 : 2,506,843.58 = 1,430,584.53 : x - Step 2: Convert to fraction form
1,818,442.73/2,506,843.58 = 1,430,584.53/x - Step 3: Cross multiply
1,818,442.73x = 2,506,843.58 × 1,430,584.53 - Step 4: Simplify right side
1,818,442.73x = 3,586,251,637,524.90 - Step 5: Solve for x
x = 3,586,251,637,524.90/1,818,442.73 - Step 6: Final answer
x = 1,972,155.40
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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.