Home / 1,938,135.60-2,674,600.14-1,078,696.08

Finding the Fourth Proportional to 1,938,135.60, 2,674,600.14 and 1,078,696.08

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Solution

The fourth proportional to 1,938,135.60, 2,674,600.14 and 1,078,696.08 is: 1,488,585.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,135.60 : 2,674,600.14 = 1,078,696.08 : x
  2. Step 2: Convert to fraction form
    1,938,135.60/2,674,600.14 = 1,078,696.08/x
  3. Step 3: Cross multiply
    1,938,135.60x = 2,674,600.14 × 1,078,696.08
  4. Step 4: Simplify right side
    1,938,135.60x = 2,885,080,686,585.45
  5. Step 5: Solve for x
    x = 2,885,080,686,585.45/1,938,135.60
  6. Step 6: Final answer
    x = 1,488,585.57

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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.