Finding the Fourth Proportional to 4,742,248.76, 7,113,378.28 and 2,219,675.48
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Solution
The fourth proportional to 4,742,248.76, 7,113,378.28 and 2,219,675.48 is: 3,329,515.63
Step by Step Solution
- Step 1: Write the proportion equation
4,742,248.76 : 7,113,378.28 = 2,219,675.48 : x - Step 2: Convert to fraction form
4,742,248.76/7,113,378.28 = 2,219,675.48/x - Step 3: Cross multiply
4,742,248.76x = 7,113,378.28 × 2,219,675.48 - Step 4: Simplify right side
4,742,248.76x = 15,789,391,348,080.57 - Step 5: Solve for x
x = 15,789,391,348,080.57/4,742,248.76 - Step 6: Final answer
x = 3,329,515.63
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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.