Home / 1,891,852.40-2,833,631.40-1,643,020.40

Finding the Fourth Proportional to 1,891,852.40, 2,833,631.40 and 1,643,020.40

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Solution

The fourth proportional to 1,891,852.40, 2,833,631.40 and 1,643,020.40 is: 2,460,928.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,852.40 : 2,833,631.40 = 1,643,020.40 : x
  2. Step 2: Convert to fraction form
    1,891,852.40/2,833,631.40 = 1,643,020.40/x
  3. Step 3: Cross multiply
    1,891,852.40x = 2,833,631.40 × 1,643,020.40
  4. Step 4: Simplify right side
    1,891,852.40x = 4,655,714,196,280.56
  5. Step 5: Solve for x
    x = 4,655,714,196,280.56/1,891,852.40
  6. Step 6: Final answer
    x = 2,460,928.87

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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.