Finding the Fourth Proportional to 2,186,811.25, 3,017,425.79 and 1,268,829.95
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Solution
The fourth proportional to 2,186,811.25, 3,017,425.79 and 1,268,829.95 is: 1,750,768.48
Step by Step Solution
- Step 1: Write the proportion equation
2,186,811.25 : 3,017,425.79 = 1,268,829.95 : x - Step 2: Convert to fraction form
2,186,811.25/3,017,425.79 = 1,268,829.95/x - Step 3: Cross multiply
2,186,811.25x = 3,017,425.79 × 1,268,829.95 - Step 4: Simplify right side
2,186,811.25x = 3,828,600,214,254.41 - Step 5: Solve for x
x = 3,828,600,214,254.41/2,186,811.25 - Step 6: Final answer
x = 1,750,768.48
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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.