Home / 2,535,477.60-3,498,939-1,389,555.21

Finding the Fourth Proportional to 2,535,477.60, 3,498,939 and 1,389,555.21

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Solution

The fourth proportional to 2,535,477.60, 3,498,939 and 1,389,555.21 is: 1,917,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,535,477.60 : 3,498,939 = 1,389,555.21 : x
  2. Step 2: Convert to fraction form
    2,535,477.60/3,498,939 = 1,389,555.21/x
  3. Step 3: Cross multiply
    2,535,477.60x = 3,498,939 × 1,389,555.21
  4. Step 4: Simplify right side
    2,535,477.60x = 4,861,968,916,922.19
  5. Step 5: Solve for x
    x = 4,861,968,916,922.19/2,535,477.60
  6. Step 6: Final answer
    x = 1,917,575.18

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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.