Home / 1,410,157.74-2,118,101.56-1,245,411.02

Finding the Fourth Proportional to 1,410,157.74, 2,118,101.56 and 1,245,411.02

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Solution

The fourth proportional to 1,410,157.74, 2,118,101.56 and 1,245,411.02 is: 1,870,646.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,157.74 : 2,118,101.56 = 1,245,411.02 : x
  2. Step 2: Convert to fraction form
    1,410,157.74/2,118,101.56 = 1,245,411.02/x
  3. Step 3: Cross multiply
    1,410,157.74x = 2,118,101.56 × 1,245,411.02
  4. Step 4: Simplify right side
    1,410,157.74x = 2,637,907,024,303.19
  5. Step 5: Solve for x
    x = 2,637,907,024,303.19/1,410,157.74
  6. Step 6: Final answer
    x = 1,870,646.77

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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.