Home / 1,911,411.81-2,867,024.30-713,240.72

Finding the Fourth Proportional to 1,911,411.81, 2,867,024.30 and 713,240.72

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Solution

The fourth proportional to 1,911,411.81, 2,867,024.30 and 713,240.72 is: 1,069,826.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,411.81 : 2,867,024.30 = 713,240.72 : x
  2. Step 2: Convert to fraction form
    1,911,411.81/2,867,024.30 = 713,240.72/x
  3. Step 3: Cross multiply
    1,911,411.81x = 2,867,024.30 × 713,240.72
  4. Step 4: Simplify right side
    1,911,411.81x = 2,044,878,458,088.17
  5. Step 5: Solve for x
    x = 2,044,878,458,088.17/1,911,411.81
  6. Step 6: Final answer
    x = 1,069,826.21

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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.