Home / 1,886,681.70-2,603,667.51-1,027,289.07

Finding the Fourth Proportional to 1,886,681.70, 2,603,667.51 and 1,027,289.07

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Solution

The fourth proportional to 1,886,681.70, 2,603,667.51 and 1,027,289.07 is: 1,417,684.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,681.70 : 2,603,667.51 = 1,027,289.07 : x
  2. Step 2: Convert to fraction form
    1,886,681.70/2,603,667.51 = 1,027,289.07/x
  3. Step 3: Cross multiply
    1,886,681.70x = 2,603,667.51 × 1,027,289.07
  4. Step 4: Simplify right side
    1,886,681.70x = 2,674,719,174,937.12
  5. Step 5: Solve for x
    x = 2,674,719,174,937.12/1,886,681.70
  6. Step 6: Final answer
    x = 1,417,684.38

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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.