Home / 2,160,147.60-3,240,221.40-1,358,830.80

Finding the Fourth Proportional to 2,160,147.60, 3,240,221.40 and 1,358,830.80

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Solution

The fourth proportional to 2,160,147.60, 3,240,221.40 and 1,358,830.80 is: 2,038,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,147.60 : 3,240,221.40 = 1,358,830.80 : x
  2. Step 2: Convert to fraction form
    2,160,147.60/3,240,221.40 = 1,358,830.80/x
  3. Step 3: Cross multiply
    2,160,147.60x = 3,240,221.40 × 1,358,830.80
  4. Step 4: Simplify right side
    2,160,147.60x = 4,402,912,637,139.12
  5. Step 5: Solve for x
    x = 4,402,912,637,139.12/2,160,147.60
  6. Step 6: Final answer
    x = 2,038,246.20

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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.