Home / 2,018,403.36-2,785,337.04-1,112,985.12

Finding the Fourth Proportional to 2,018,403.36, 2,785,337.04 and 1,112,985.12

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Solution

The fourth proportional to 2,018,403.36, 2,785,337.04 and 1,112,985.12 is: 1,535,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,403.36 : 2,785,337.04 = 1,112,985.12 : x
  2. Step 2: Convert to fraction form
    2,018,403.36/2,785,337.04 = 1,112,985.12/x
  3. Step 3: Cross multiply
    2,018,403.36x = 2,785,337.04 × 1,112,985.12
  4. Step 4: Simplify right side
    2,018,403.36x = 3,100,038,679,704.85
  5. Step 5: Solve for x
    x = 3,100,038,679,704.85/2,018,403.36
  6. Step 6: Final answer
    x = 1,535,886.60

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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.