Home / 1,615,555.84-2,229,160-970,740.76

Finding the Fourth Proportional to 1,615,555.84, 2,229,160 and 970,740.76

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Solution

The fourth proportional to 1,615,555.84, 2,229,160 and 970,740.76 is: 1,339,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,555.84 : 2,229,160 = 970,740.76 : x
  2. Step 2: Convert to fraction form
    1,615,555.84/2,229,160 = 970,740.76/x
  3. Step 3: Cross multiply
    1,615,555.84x = 2,229,160 × 970,740.76
  4. Step 4: Simplify right side
    1,615,555.84x = 2,163,936,472,561.60
  5. Step 5: Solve for x
    x = 2,163,936,472,561.60/1,615,555.84
  6. Step 6: Final answer
    x = 1,339,437.75

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1.5x scale

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.