Home / 1,980,584.65-2,971,980.53-1,069,748.70

Finding the Fourth Proportional to 1,980,584.65, 2,971,980.53 and 1,069,748.70

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Solution

The fourth proportional to 1,980,584.65, 2,971,980.53 and 1,069,748.70 is: 1,605,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,584.65 : 2,971,980.53 = 1,069,748.70 : x
  2. Step 2: Convert to fraction form
    1,980,584.65/2,971,980.53 = 1,069,748.70/x
  3. Step 3: Cross multiply
    1,980,584.65x = 2,971,980.53 × 1,069,748.70
  4. Step 4: Simplify right side
    1,980,584.65x = 3,179,272,308,392.81
  5. Step 5: Solve for x
    x = 3,179,272,308,392.81/1,980,584.65
  6. Step 6: Final answer
    x = 1,605,219.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.