Home / 3,111,698.93-4,294,427.90-1,888,315.74

Finding the Fourth Proportional to 3,111,698.93, 4,294,427.90 and 1,888,315.74

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Solution

The fourth proportional to 3,111,698.93, 4,294,427.90 and 1,888,315.74 is: 2,606,047.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,698.93 : 4,294,427.90 = 1,888,315.74 : x
  2. Step 2: Convert to fraction form
    3,111,698.93/4,294,427.90 = 1,888,315.74/x
  3. Step 3: Cross multiply
    3,111,698.93x = 4,294,427.90 × 1,888,315.74
  4. Step 4: Simplify right side
    3,111,698.93x = 8,109,235,788,423.57
  5. Step 5: Solve for x
    x = 8,109,235,788,423.57/3,111,698.93
  6. Step 6: Final answer
    x = 2,606,047.69

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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.