Home / 1,852,389.76-2,783,235.66-1,178,764.60

Finding the Fourth Proportional to 1,852,389.76, 2,783,235.66 and 1,178,764.60

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Solution

The fourth proportional to 1,852,389.76, 2,783,235.66 and 1,178,764.60 is: 1,771,106.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852,389.76 : 2,783,235.66 = 1,178,764.60 : x
  2. Step 2: Convert to fraction form
    1,852,389.76/2,783,235.66 = 1,178,764.60/x
  3. Step 3: Cross multiply
    1,852,389.76x = 2,783,235.66 × 1,178,764.60
  4. Step 4: Simplify right side
    1,852,389.76x = 3,280,779,669,465.64
  5. Step 5: Solve for x
    x = 3,280,779,669,465.64/1,852,389.76
  6. Step 6: Final answer
    x = 1,771,106.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.