Finding the Fourth Proportional to 2,791,829.76, 3,851,743.98 and 1,825,525.68
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Solution
The fourth proportional to 2,791,829.76, 3,851,743.98 and 1,825,525.68 is: 2,518,583.92
Step by Step Solution
- Step 1: Write the proportion equation
2,791,829.76 : 3,851,743.98 = 1,825,525.68 : x - Step 2: Convert to fraction form
2,791,829.76/3,851,743.98 = 1,825,525.68/x - Step 3: Cross multiply
2,791,829.76x = 3,851,743.98 × 1,825,525.68 - Step 4: Simplify right side
2,791,829.76x = 7,031,457,548,275.41 - Step 5: Solve for x
x = 7,031,457,548,275.41/2,791,829.76 - Step 6: Final answer
x = 2,518,583.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.