Home / 2,918,389.02-4,028,451.56-1,756,889.28

Finding the Fourth Proportional to 2,918,389.02, 4,028,451.56 and 1,756,889.28

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Solution

The fourth proportional to 2,918,389.02, 4,028,451.56 and 1,756,889.28 is: 2,425,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,389.02 : 4,028,451.56 = 1,756,889.28 : x
  2. Step 2: Convert to fraction form
    2,918,389.02/4,028,451.56 = 1,756,889.28/x
  3. Step 3: Cross multiply
    2,918,389.02x = 4,028,451.56 × 1,756,889.28
  4. Step 4: Simplify right side
    2,918,389.02x = 7,077,543,360,763.28
  5. Step 5: Solve for x
    x = 7,077,543,360,763.28/2,918,389.02
  6. Step 6: Final answer
    x = 2,425,154.19

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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.