Home / 1,671,848.51-2,307,857.27-1,128,720.02

Finding the Fourth Proportional to 1,671,848.51, 2,307,857.27 and 1,128,720.02

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Solution

The fourth proportional to 1,671,848.51, 2,307,857.27 and 1,128,720.02 is: 1,558,110.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,848.51 : 2,307,857.27 = 1,128,720.02 : x
  2. Step 2: Convert to fraction form
    1,671,848.51/2,307,857.27 = 1,128,720.02/x
  3. Step 3: Cross multiply
    1,671,848.51x = 2,307,857.27 × 1,128,720.02
  4. Step 4: Simplify right side
    1,671,848.51x = 2,604,924,686,768.66
  5. Step 5: Solve for x
    x = 2,604,924,686,768.66/1,671,848.51
  6. Step 6: Final answer
    x = 1,558,110.49

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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.