Home / 1,878,825.30-2,818,051.02-867,932.81

Finding the Fourth Proportional to 1,878,825.30, 2,818,051.02 and 867,932.81

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Solution

The fourth proportional to 1,878,825.30, 2,818,051.02 and 867,932.81 is: 1,301,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,825.30 : 2,818,051.02 = 867,932.81 : x
  2. Step 2: Convert to fraction form
    1,878,825.30/2,818,051.02 = 867,932.81/x
  3. Step 3: Cross multiply
    1,878,825.30x = 2,818,051.02 × 867,932.81
  4. Step 4: Simplify right side
    1,878,825.30x = 2,445,878,926,421.71
  5. Step 5: Solve for x
    x = 2,445,878,926,421.71/1,878,825.30
  6. Step 6: Final answer
    x = 1,301,812.85

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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.