Home / 1,838,293.60-2,759,686.80-1,040,130.40

Finding the Fourth Proportional to 1,838,293.60, 2,759,686.80 and 1,040,130.40

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Solution

The fourth proportional to 1,838,293.60, 2,759,686.80 and 1,040,130.40 is: 1,561,466.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,293.60 : 2,759,686.80 = 1,040,130.40 : x
  2. Step 2: Convert to fraction form
    1,838,293.60/2,759,686.80 = 1,040,130.40/x
  3. Step 3: Cross multiply
    1,838,293.60x = 2,759,686.80 × 1,040,130.40
  4. Step 4: Simplify right side
    1,838,293.60x = 2,870,434,135,158.72
  5. Step 5: Solve for x
    x = 2,870,434,135,158.72/1,838,293.60
  6. Step 6: Final answer
    x = 1,561,466.64

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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.