Finding the Fourth Proportional to 5,724,806.13, 8,587,209.20 and 2,130,479.73
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Solution
The fourth proportional to 5,724,806.13, 8,587,209.20 and 2,130,479.73 is: 3,195,719.60
Step by Step Solution
- Step 1: Write the proportion equation
5,724,806.13 : 8,587,209.20 = 2,130,479.73 : x - Step 2: Convert to fraction form
5,724,806.13/8,587,209.20 = 2,130,479.73/x - Step 3: Cross multiply
5,724,806.13x = 8,587,209.20 × 2,130,479.73 - Step 4: Simplify right side
5,724,806.13x = 18,294,875,127,217.12 - Step 5: Solve for x
x = 18,294,875,127,217.12/5,724,806.13 - Step 6: Final answer
x = 3,195,719.60
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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.