Home / 1,971,124.94-2,720,156.38-1,065,706.94

Finding the Fourth Proportional to 1,971,124.94, 2,720,156.38 and 1,065,706.94

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Solution

The fourth proportional to 1,971,124.94, 2,720,156.38 and 1,065,706.94 is: 1,470,677.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,124.94 : 2,720,156.38 = 1,065,706.94 : x
  2. Step 2: Convert to fraction form
    1,971,124.94/2,720,156.38 = 1,065,706.94/x
  3. Step 3: Cross multiply
    1,971,124.94x = 2,720,156.38 × 1,065,706.94
  4. Step 4: Simplify right side
    1,971,124.94x = 2,898,889,532,051.28
  5. Step 5: Solve for x
    x = 2,898,889,532,051.28/1,971,124.94
  6. Step 6: Final answer
    x = 1,470,677.72

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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.