Home / 1,872,686.28-2,584,030.01-1,137,258.12

Finding the Fourth Proportional to 1,872,686.28, 2,584,030.01 and 1,137,258.12

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Solution

The fourth proportional to 1,872,686.28, 2,584,030.01 and 1,137,258.12 is: 1,569,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,686.28 : 2,584,030.01 = 1,137,258.12 : x
  2. Step 2: Convert to fraction form
    1,872,686.28/2,584,030.01 = 1,137,258.12/x
  3. Step 3: Cross multiply
    1,872,686.28x = 2,584,030.01 × 1,137,258.12
  4. Step 4: Simplify right side
    1,872,686.28x = 2,938,709,115,200.00
  5. Step 5: Solve for x
    x = 2,938,709,115,200.00/1,872,686.28
  6. Step 6: Final answer
    x = 1,569,247.95

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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.