Home / 2,896,692.80-4,349,186.40-1,636,980.80

Finding the Fourth Proportional to 2,896,692.80, 4,349,186.40 and 1,636,980.80

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Solution

The fourth proportional to 2,896,692.80, 4,349,186.40 and 1,636,980.80 is: 2,457,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896,692.80 : 4,349,186.40 = 1,636,980.80 : x
  2. Step 2: Convert to fraction form
    2,896,692.80/4,349,186.40 = 1,636,980.80/x
  3. Step 3: Cross multiply
    2,896,692.80x = 4,349,186.40 × 1,636,980.80
  4. Step 4: Simplify right side
    2,896,692.80x = 7,119,534,632,421.12
  5. Step 5: Solve for x
    x = 7,119,534,632,421.12/2,896,692.80
  6. Step 6: Final answer
    x = 2,457,814.87

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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.