Finding the Fourth Proportional to 2,509,089.12, 3,461,780.16 and 1,421,187.84
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Solution
The fourth proportional to 2,509,089.12, 3,461,780.16 and 1,421,187.84 is: 1,960,807.14
Step by Step Solution
- Step 1: Write the proportion equation
2,509,089.12 : 3,461,780.16 = 1,421,187.84 : x - Step 2: Convert to fraction form
2,509,089.12/3,461,780.16 = 1,421,187.84/x - Step 3: Cross multiply
2,509,089.12x = 3,461,780.16 × 1,421,187.84 - Step 4: Simplify right side
2,509,089.12x = 4,919,839,868,145.26 - Step 5: Solve for x
x = 4,919,839,868,145.26/2,509,089.12 - Step 6: Final answer
x = 1,960,807.14
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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.