Home / 3,315,385.60-4,973,078.40-1,421,804.80

Finding the Fourth Proportional to 3,315,385.60, 4,973,078.40 and 1,421,804.80

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Solution

The fourth proportional to 3,315,385.60, 4,973,078.40 and 1,421,804.80 is: 2,132,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,385.60 : 4,973,078.40 = 1,421,804.80 : x
  2. Step 2: Convert to fraction form
    3,315,385.60/4,973,078.40 = 1,421,804.80/x
  3. Step 3: Cross multiply
    3,315,385.60x = 4,973,078.40 × 1,421,804.80
  4. Step 4: Simplify right side
    3,315,385.60x = 7,070,746,739,896.32
  5. Step 5: Solve for x
    x = 7,070,746,739,896.32/3,315,385.60
  6. Step 6: Final answer
    x = 2,132,707.20

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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.