Home / 2,171,698.58-2,997,303.80-1,205,139.35

Finding the Fourth Proportional to 2,171,698.58, 2,997,303.80 and 1,205,139.35

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Solution

The fourth proportional to 2,171,698.58, 2,997,303.80 and 1,205,139.35 is: 1,663,291.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,698.58 : 2,997,303.80 = 1,205,139.35 : x
  2. Step 2: Convert to fraction form
    2,171,698.58/2,997,303.80 = 1,205,139.35/x
  3. Step 3: Cross multiply
    2,171,698.58x = 2,997,303.80 × 1,205,139.35
  4. Step 4: Simplify right side
    2,171,698.58x = 3,612,168,732,272.31
  5. Step 5: Solve for x
    x = 3,612,168,732,272.31/2,171,698.58
  6. Step 6: Final answer
    x = 1,663,291.94

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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.