Finding the Fourth Proportional to 5,146,210.68, 7,101,774.66 and 2,854,387.80
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Solution
The fourth proportional to 5,146,210.68, 7,101,774.66 and 2,854,387.80 is: 3,939,057.34
Step by Step Solution
- Step 1: Write the proportion equation
5,146,210.68 : 7,101,774.66 = 2,854,387.80 : x - Step 2: Convert to fraction form
5,146,210.68/7,101,774.66 = 2,854,387.80/x - Step 3: Cross multiply
5,146,210.68x = 7,101,774.66 × 2,854,387.80 - Step 4: Simplify right side
5,146,210.68x = 20,271,218,947,853.15 - Step 5: Solve for x
x = 20,271,218,947,853.15/5,146,210.68 - Step 6: Final answer
x = 3,939,057.34
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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.