Finding the Fourth Proportional to 3,708,918.80, 5,564,184.60 and 2,112,246.80
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Solution
The fourth proportional to 3,708,918.80, 5,564,184.60 and 2,112,246.80 is: 3,168,829.45
Step by Step Solution
- Step 1: Write the proportion equation
3,708,918.80 : 5,564,184.60 = 2,112,246.80 : x - Step 2: Convert to fraction form
3,708,918.80/5,564,184.60 = 2,112,246.80/x - Step 3: Cross multiply
3,708,918.80x = 5,564,184.60 × 2,112,246.80 - Step 4: Simplify right side
3,708,918.80x = 11,752,931,115,959.28 - Step 5: Solve for x
x = 11,752,931,115,959.28/3,708,918.80 - Step 6: Final answer
x = 3,168,829.45
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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.