Home / 2,118,858.63-2,924,109.81-1,151,985.93

Finding the Fourth Proportional to 2,118,858.63, 2,924,109.81 and 1,151,985.93

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Solution

The fourth proportional to 2,118,858.63, 2,924,109.81 and 1,151,985.93 is: 1,589,786.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,858.63 : 2,924,109.81 = 1,151,985.93 : x
  2. Step 2: Convert to fraction form
    2,118,858.63/2,924,109.81 = 1,151,985.93/x
  3. Step 3: Cross multiply
    2,118,858.63x = 2,924,109.81 × 1,151,985.93
  4. Step 4: Simplify right side
    2,118,858.63x = 3,368,533,358,894.97
  5. Step 5: Solve for x
    x = 3,368,533,358,894.97/2,118,858.63
  6. Step 6: Final answer
    x = 1,589,786.74

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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.