Home / 3,742,720.80-5,605,786.80-2,898,535.20

Finding the Fourth Proportional to 3,742,720.80, 5,605,786.80 and 2,898,535.20

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Solution

The fourth proportional to 3,742,720.80, 5,605,786.80 and 2,898,535.20 is: 4,341,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742,720.80 : 5,605,786.80 = 2,898,535.20 : x
  2. Step 2: Convert to fraction form
    3,742,720.80/5,605,786.80 = 2,898,535.20/x
  3. Step 3: Cross multiply
    3,742,720.80x = 5,605,786.80 × 2,898,535.20
  4. Step 4: Simplify right side
    3,742,720.80x = 16,248,570,363,495.36
  5. Step 5: Solve for x
    x = 16,248,570,363,495.36/3,742,720.80
  6. Step 6: Final answer
    x = 4,341,379.23

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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.