Home / 1,955,037.60-2,698,025.76-1,139,766.12

Finding the Fourth Proportional to 1,955,037.60, 2,698,025.76 and 1,139,766.12

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Solution

The fourth proportional to 1,955,037.60, 2,698,025.76 and 1,139,766.12 is: 1,572,920.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,037.60 : 2,698,025.76 = 1,139,766.12 : x
  2. Step 2: Convert to fraction form
    1,955,037.60/2,698,025.76 = 1,139,766.12/x
  3. Step 3: Cross multiply
    1,955,037.60x = 2,698,025.76 × 1,139,766.12
  4. Step 4: Simplify right side
    1,955,037.60x = 3,075,118,352,135.25
  5. Step 5: Solve for x
    x = 3,075,118,352,135.25/1,955,037.60
  6. Step 6: Final answer
    x = 1,572,920.31

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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.