Home / 1,971,835.66-2,721,159.48-1,112,393.26

Finding the Fourth Proportional to 1,971,835.66, 2,721,159.48 and 1,112,393.26

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Solution

The fourth proportional to 1,971,835.66, 2,721,159.48 and 1,112,393.26 is: 1,535,117.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,835.66 : 2,721,159.48 = 1,112,393.26 : x
  2. Step 2: Convert to fraction form
    1,971,835.66/2,721,159.48 = 1,112,393.26/x
  3. Step 3: Cross multiply
    1,971,835.66x = 2,721,159.48 × 1,112,393.26
  4. Step 4: Simplify right side
    1,971,835.66x = 3,026,999,464,937.11
  5. Step 5: Solve for x
    x = 3,026,999,464,937.11/1,971,835.66
  6. Step 6: Final answer
    x = 1,535,117.52

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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.