Home / 2,101,810-2,900,501.16-1,196,392.08

Finding the Fourth Proportional to 2,101,810, 2,900,501.16 and 1,196,392.08

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Solution

The fourth proportional to 2,101,810, 2,900,501.16 and 1,196,392.08 is: 1,651,022.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,810 : 2,900,501.16 = 1,196,392.08 : x
  2. Step 2: Convert to fraction form
    2,101,810/2,900,501.16 = 1,196,392.08/x
  3. Step 3: Cross multiply
    2,101,810x = 2,900,501.16 × 1,196,392.08
  4. Step 4: Simplify right side
    2,101,810x = 3,470,136,615,854.81
  5. Step 5: Solve for x
    x = 3,470,136,615,854.81/2,101,810
  6. Step 6: Final answer
    x = 1,651,022.98

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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.