Finding the Fourth Proportional to 2,189,417.04, 3,285,071.68 and 1,177,356.08
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Solution
The fourth proportional to 2,189,417.04, 3,285,071.68 and 1,177,356.08 is: 1,766,542.89
Step by Step Solution
- Step 1: Write the proportion equation
2,189,417.04 : 3,285,071.68 = 1,177,356.08 : x - Step 2: Convert to fraction form
2,189,417.04/3,285,071.68 = 1,177,356.08/x - Step 3: Cross multiply
2,189,417.04x = 3,285,071.68 × 1,177,356.08 - Step 4: Simplify right side
2,189,417.04x = 3,867,699,115,683.82 - Step 5: Solve for x
x = 3,867,699,115,683.82/2,189,417.04 - Step 6: Final answer
x = 1,766,542.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.