Home / 1,870,707.60-2,806,579.80-1,240,851.60

Finding the Fourth Proportional to 1,870,707.60, 2,806,579.80 and 1,240,851.60

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Solution

The fourth proportional to 1,870,707.60, 2,806,579.80 and 1,240,851.60 is: 1,861,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,707.60 : 2,806,579.80 = 1,240,851.60 : x
  2. Step 2: Convert to fraction form
    1,870,707.60/2,806,579.80 = 1,240,851.60/x
  3. Step 3: Cross multiply
    1,870,707.60x = 2,806,579.80 × 1,240,851.60
  4. Step 4: Simplify right side
    1,870,707.60x = 3,482,549,035,357.68
  5. Step 5: Solve for x
    x = 3,482,549,035,357.68/1,870,707.60
  6. Step 6: Final answer
    x = 1,861,621.26

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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.