Finding the Fourth Proportional to 2,445,905.28, 3,375,236.54 and 1,358,246.40
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Solution
The fourth proportional to 2,445,905.28, 3,375,236.54 and 1,358,246.40 is: 1,874,317.42
Step by Step Solution
- Step 1: Write the proportion equation
2,445,905.28 : 3,375,236.54 = 1,358,246.40 : x - Step 2: Convert to fraction form
2,445,905.28/3,375,236.54 = 1,358,246.40/x - Step 3: Cross multiply
2,445,905.28x = 3,375,236.54 × 1,358,246.40 - Step 4: Simplify right side
2,445,905.28x = 4,584,402,879,603.46 - Step 5: Solve for x
x = 4,584,402,879,603.46/2,445,905.28 - Step 6: Final answer
x = 1,874,317.42
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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.