Home / 2,637,867.60-3,640,280.40-1,430,643.60

Finding the Fourth Proportional to 2,637,867.60, 3,640,280.40 and 1,430,643.60

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Solution

The fourth proportional to 2,637,867.60, 3,640,280.40 and 1,430,643.60 is: 1,974,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637,867.60 : 3,640,280.40 = 1,430,643.60 : x
  2. Step 2: Convert to fraction form
    2,637,867.60/3,640,280.40 = 1,430,643.60/x
  3. Step 3: Cross multiply
    2,637,867.60x = 3,640,280.40 × 1,430,643.60
  4. Step 4: Simplify right side
    2,637,867.60x = 5,207,943,856,465.44
  5. Step 5: Solve for x
    x = 5,207,943,856,465.44/2,637,867.60
  6. Step 6: Final answer
    x = 1,974,300.70

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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.