Home / 1,956,386.79-2,699,564.36-1,140,386.31

Finding the Fourth Proportional to 1,956,386.79, 2,699,564.36 and 1,140,386.31

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Solution

The fourth proportional to 1,956,386.79, 2,699,564.36 and 1,140,386.31 is: 1,573,587.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,386.79 : 2,699,564.36 = 1,140,386.31 : x
  2. Step 2: Convert to fraction form
    1,956,386.79/2,699,564.36 = 1,140,386.31/x
  3. Step 3: Cross multiply
    1,956,386.79x = 2,699,564.36 × 1,140,386.31
  4. Step 4: Simplify right side
    1,956,386.79x = 3,078,546,233,405.98
  5. Step 5: Solve for x
    x = 3,078,546,233,405.98/1,956,386.79
  6. Step 6: Final answer
    x = 1,573,587.72

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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.