Home / 2,119,211.84-2,925,596-1,634,689.28

Finding the Fourth Proportional to 2,119,211.84, 2,925,596 and 1,634,689.28

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Solution

The fourth proportional to 2,119,211.84, 2,925,596 and 1,634,689.28 is: 2,256,707.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,211.84 : 2,925,596 = 1,634,689.28 : x
  2. Step 2: Convert to fraction form
    2,119,211.84/2,925,596 = 1,634,689.28/x
  3. Step 3: Cross multiply
    2,119,211.84x = 2,925,596 × 1,634,689.28
  4. Step 4: Simplify right side
    2,119,211.84x = 4,782,440,418,810.88
  5. Step 5: Solve for x
    x = 4,782,440,418,810.88/2,119,211.84
  6. Step 6: Final answer
    x = 2,256,707.11

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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.