Finding the Fourth Proportional to 2,257,943.68, 3,115,848.52 and 1,340,212.92
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Solution
The fourth proportional to 2,257,943.68, 3,115,848.52 and 1,340,212.92 is: 1,849,426.31
Step by Step Solution
- Step 1: Write the proportion equation
2,257,943.68 : 3,115,848.52 = 1,340,212.92 : x - Step 2: Convert to fraction form
2,257,943.68/3,115,848.52 = 1,340,212.92/x - Step 3: Cross multiply
2,257,943.68x = 3,115,848.52 × 1,340,212.92 - Step 4: Simplify right side
2,257,943.68x = 4,175,900,443,266.88 - Step 5: Solve for x
x = 4,175,900,443,266.88/2,257,943.68 - Step 6: Final answer
x = 1,849,426.31
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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.