Home / 2,640,064.07-3,643,289.90-1,432,840.07

Finding the Fourth Proportional to 2,640,064.07, 3,643,289.90 and 1,432,840.07

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Solution

The fourth proportional to 2,640,064.07, 3,643,289.90 and 1,432,840.07 is: 1,977,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,064.07 : 3,643,289.90 = 1,432,840.07 : x
  2. Step 2: Convert to fraction form
    2,640,064.07/3,643,289.90 = 1,432,840.07/x
  3. Step 3: Cross multiply
    2,640,064.07x = 3,643,289.90 × 1,432,840.07
  4. Step 4: Simplify right side
    2,640,064.07x = 5,220,251,755,346.29
  5. Step 5: Solve for x
    x = 5,220,251,755,346.29/2,640,064.07
  6. Step 6: Final answer
    x = 1,977,320.10

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1.5x scale

Why These Related Problems?

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