Home / 2,928,779.60-4,388,503.80-2,172,952.40

Finding the Fourth Proportional to 2,928,779.60, 4,388,503.80 and 2,172,952.40

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Solution

The fourth proportional to 2,928,779.60, 4,388,503.80 and 2,172,952.40 is: 3,255,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,779.60 : 4,388,503.80 = 2,172,952.40 : x
  2. Step 2: Convert to fraction form
    2,928,779.60/4,388,503.80 = 2,172,952.40/x
  3. Step 3: Cross multiply
    2,928,779.60x = 4,388,503.80 × 2,172,952.40
  4. Step 4: Simplify right side
    2,928,779.60x = 9,536,009,864,619.12
  5. Step 5: Solve for x
    x = 9,536,009,864,619.12/2,928,779.60
  6. Step 6: Final answer
    x = 3,255,967.05

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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.