Home / 2,129,688.69-2,942,079.48-1,842,710.55

Finding the Fourth Proportional to 2,129,688.69, 2,942,079.48 and 1,842,710.55

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Solution

The fourth proportional to 2,129,688.69, 2,942,079.48 and 1,842,710.55 is: 2,545,630.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,688.69 : 2,942,079.48 = 1,842,710.55 : x
  2. Step 2: Convert to fraction form
    2,129,688.69/2,942,079.48 = 1,842,710.55/x
  3. Step 3: Cross multiply
    2,129,688.69x = 2,942,079.48 × 1,842,710.55
  4. Step 4: Simplify right side
    2,129,688.69x = 5,421,400,896,734.51
  5. Step 5: Solve for x
    x = 5,421,400,896,734.51/2,129,688.69
  6. Step 6: Final answer
    x = 2,545,630.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.