Home / 1,986,804.64-2,742,168.32-1,127,444.88

Finding the Fourth Proportional to 1,986,804.64, 2,742,168.32 and 1,127,444.88

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Solution

The fourth proportional to 1,986,804.64, 2,742,168.32 and 1,127,444.88 is: 1,556,088.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,804.64 : 2,742,168.32 = 1,127,444.88 : x
  2. Step 2: Convert to fraction form
    1,986,804.64/2,742,168.32 = 1,127,444.88/x
  3. Step 3: Cross multiply
    1,986,804.64x = 2,742,168.32 × 1,127,444.88
  4. Step 4: Simplify right side
    1,986,804.64x = 3,091,643,632,482.20
  5. Step 5: Solve for x
    x = 3,091,643,632,482.20/1,986,804.64
  6. Step 6: Final answer
    x = 1,556,088.39

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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.