Home / 1,939,139.79-2,909,264.66-660,029.10

Finding the Fourth Proportional to 1,939,139.79, 2,909,264.66 and 660,029.10

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Solution

The fourth proportional to 1,939,139.79, 2,909,264.66 and 660,029.10 is: 990,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,139.79 : 2,909,264.66 = 660,029.10 : x
  2. Step 2: Convert to fraction form
    1,939,139.79/2,909,264.66 = 660,029.10/x
  3. Step 3: Cross multiply
    1,939,139.79x = 2,909,264.66 × 660,029.10
  4. Step 4: Simplify right side
    1,939,139.79x = 1,920,199,331,901.46
  5. Step 5: Solve for x
    x = 1,920,199,331,901.46/1,939,139.79
  6. Step 6: Final answer
    x = 990,232.55

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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.