Home / 1,870,075.80-2,798,115.30-1,240,219.80

Finding the Fourth Proportional to 1,870,075.80, 2,798,115.30 and 1,240,219.80

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Solution

The fourth proportional to 1,870,075.80, 2,798,115.30 and 1,240,219.80 is: 1,855,688.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,075.80 : 2,798,115.30 = 1,240,219.80 : x
  2. Step 2: Convert to fraction form
    1,870,075.80/2,798,115.30 = 1,240,219.80/x
  3. Step 3: Cross multiply
    1,870,075.80x = 2,798,115.30 × 1,240,219.80
  4. Step 4: Simplify right side
    1,870,075.80x = 3,470,277,997,742.94
  5. Step 5: Solve for x
    x = 3,470,277,997,742.94/1,870,075.80
  6. Step 6: Final answer
    x = 1,855,688.42

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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.