Home / 2,130,722.66-2,939,460.98-1,303,835.60

Finding the Fourth Proportional to 2,130,722.66, 2,939,460.98 and 1,303,835.60

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Solution

The fourth proportional to 2,130,722.66, 2,939,460.98 and 1,303,835.60 is: 1,798,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,722.66 : 2,939,460.98 = 1,303,835.60 : x
  2. Step 2: Convert to fraction form
    2,130,722.66/2,939,460.98 = 1,303,835.60/x
  3. Step 3: Cross multiply
    2,130,722.66x = 2,939,460.98 × 1,303,835.60
  4. Step 4: Simplify right side
    2,130,722.66x = 3,832,573,870,534.89
  5. Step 5: Solve for x
    x = 3,832,573,870,534.89/2,130,722.66
  6. Step 6: Final answer
    x = 1,798,720.19

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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.