Home / 1,615,756.32-2,229,748.29-971,545.50

Finding the Fourth Proportional to 1,615,756.32, 2,229,748.29 and 971,545.50

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Solution

The fourth proportional to 1,615,756.32, 2,229,748.29 and 971,545.50 is: 1,340,735.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,756.32 : 2,229,748.29 = 971,545.50 : x
  2. Step 2: Convert to fraction form
    1,615,756.32/2,229,748.29 = 971,545.50/x
  3. Step 3: Cross multiply
    1,615,756.32x = 2,229,748.29 × 971,545.50
  4. Step 4: Simplify right side
    1,615,756.32x = 2,166,301,917,282.20
  5. Step 5: Solve for x
    x = 2,166,301,917,282.20/1,615,756.32
  6. Step 6: Final answer
    x = 1,340,735.54

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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.