Home / 1,869,103.32-2,579,364.87-1,009,663.57

Finding the Fourth Proportional to 1,869,103.32, 2,579,364.87 and 1,009,663.57

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Solution

The fourth proportional to 1,869,103.32, 2,579,364.87 and 1,009,663.57 is: 1,393,336.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,103.32 : 2,579,364.87 = 1,009,663.57 : x
  2. Step 2: Convert to fraction form
    1,869,103.32/2,579,364.87 = 1,009,663.57/x
  3. Step 3: Cross multiply
    1,869,103.32x = 2,579,364.87 × 1,009,663.57
  4. Step 4: Simplify right side
    1,869,103.32x = 2,604,290,742,976.79
  5. Step 5: Solve for x
    x = 2,604,290,742,976.79/1,869,103.32
  6. Step 6: Final answer
    x = 1,393,336.96

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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.