Finding the Fourth Proportional to 2,415,973.47, 3,334,065.81 and 1,328,252.70
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Solution
The fourth proportional to 2,415,973.47, 3,334,065.81 and 1,328,252.70 is: 1,833,001.05
Step by Step Solution
- Step 1: Write the proportion equation
2,415,973.47 : 3,334,065.81 = 1,328,252.70 : x - Step 2: Convert to fraction form
2,415,973.47/3,334,065.81 = 1,328,252.70/x - Step 3: Cross multiply
2,415,973.47x = 3,334,065.81 × 1,328,252.70 - Step 4: Simplify right side
2,415,973.47x = 4,428,481,914,110.19 - Step 5: Solve for x
x = 4,428,481,914,110.19/2,415,973.47 - Step 6: Final answer
x = 1,833,001.05
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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.