Finding the Fourth Proportional to 2,134,681.43, 3,196,891.35 and 1,221,094.08
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Solution
The fourth proportional to 2,134,681.43, 3,196,891.35 and 1,221,094.08 is: 1,828,706.17
Step by Step Solution
- Step 1: Write the proportion equation
2,134,681.43 : 3,196,891.35 = 1,221,094.08 : x - Step 2: Convert to fraction form
2,134,681.43/3,196,891.35 = 1,221,094.08/x - Step 3: Cross multiply
2,134,681.43x = 3,196,891.35 × 1,221,094.08 - Step 4: Simplify right side
2,134,681.43x = 3,903,705,101,888.21 - Step 5: Solve for x
x = 3,903,705,101,888.21/2,134,681.43 - Step 6: Final answer
x = 1,828,706.17
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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.