Finding the Fourth Proportional to 4,785,252.52, 7,177,878.06 and 1,419,430.36
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Solution
The fourth proportional to 4,785,252.52, 7,177,878.06 and 1,419,430.36 is: 2,129,145.33
Step by Step Solution
- Step 1: Write the proportion equation
4,785,252.52 : 7,177,878.06 = 1,419,430.36 : x - Step 2: Convert to fraction form
4,785,252.52/7,177,878.06 = 1,419,430.36/x - Step 3: Cross multiply
4,785,252.52x = 7,177,878.06 × 1,419,430.36 - Step 4: Simplify right side
4,785,252.52x = 10,188,498,038,741.90 - Step 5: Solve for x
x = 10,188,498,038,741.90/4,785,252.52 - Step 6: Final answer
x = 2,129,145.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.