Home / 2,155,056.80-3,231,202.80-893,386.40

Finding the Fourth Proportional to 2,155,056.80, 3,231,202.80 and 893,386.40

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Solution

The fourth proportional to 2,155,056.80, 3,231,202.80 and 893,386.40 is: 1,339,506.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,056.80 : 3,231,202.80 = 893,386.40 : x
  2. Step 2: Convert to fraction form
    2,155,056.80/3,231,202.80 = 893,386.40/x
  3. Step 3: Cross multiply
    2,155,056.80x = 3,231,202.80 × 893,386.40
  4. Step 4: Simplify right side
    2,155,056.80x = 2,886,712,637,161.92
  5. Step 5: Solve for x
    x = 2,886,712,637,161.92/2,155,056.80
  6. Step 6: Final answer
    x = 1,339,506.52

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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.