Finding the Fourth Proportional to 2,135,323.90, 3,201,345.60 and 1,071,129.70
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Solution
The fourth proportional to 2,135,323.90, 3,201,345.60 and 1,071,129.70 is: 1,605,871.76
Step by Step Solution
- Step 1: Write the proportion equation
2,135,323.90 : 3,201,345.60 = 1,071,129.70 : x - Step 2: Convert to fraction form
2,135,323.90/3,201,345.60 = 1,071,129.70/x - Step 3: Cross multiply
2,135,323.90x = 3,201,345.60 × 1,071,129.70 - Step 4: Simplify right side
2,135,323.90x = 3,429,056,352,124.32 - Step 5: Solve for x
x = 3,429,056,352,124.32/2,135,323.90 - Step 6: Final answer
x = 1,605,871.76
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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.