Home / 4,751,830.51-7,128,457.03-1,719,905.74

Finding the Fourth Proportional to 4,751,830.51, 7,128,457.03 and 1,719,905.74

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Solution

The fourth proportional to 4,751,830.51, 7,128,457.03 and 1,719,905.74 is: 2,580,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751,830.51 : 7,128,457.03 = 1,719,905.74 : x
  2. Step 2: Convert to fraction form
    4,751,830.51/7,128,457.03 = 1,719,905.74/x
  3. Step 3: Cross multiply
    4,751,830.51x = 7,128,457.03 × 1,719,905.74
  4. Step 4: Simplify right side
    4,751,830.51x = 12,260,274,163,240.35
  5. Step 5: Solve for x
    x = 12,260,274,163,240.35/4,751,830.51
  6. Step 6: Final answer
    x = 2,580,116.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.