Home / 2,127,554.72-2,936,011.58-1,209,783.93

Finding the Fourth Proportional to 2,127,554.72, 2,936,011.58 and 1,209,783.93

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Solution

The fourth proportional to 2,127,554.72, 2,936,011.58 and 1,209,783.93 is: 1,669,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,554.72 : 2,936,011.58 = 1,209,783.93 : x
  2. Step 2: Convert to fraction form
    2,127,554.72/2,936,011.58 = 1,209,783.93/x
  3. Step 3: Cross multiply
    2,127,554.72x = 2,936,011.58 × 1,209,783.93
  4. Step 4: Simplify right side
    2,127,554.72x = 3,551,939,626,915.69
  5. Step 5: Solve for x
    x = 3,551,939,626,915.69/2,127,554.72
  6. Step 6: Final answer
    x = 1,669,493.90

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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.