Home / 4,127,425.80-6,191,138.70-1,287,533.40

Finding the Fourth Proportional to 4,127,425.80, 6,191,138.70 and 1,287,533.40

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Solution

The fourth proportional to 4,127,425.80, 6,191,138.70 and 1,287,533.40 is: 1,931,300.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127,425.80 : 6,191,138.70 = 1,287,533.40 : x
  2. Step 2: Convert to fraction form
    4,127,425.80/6,191,138.70 = 1,287,533.40/x
  3. Step 3: Cross multiply
    4,127,425.80x = 6,191,138.70 × 1,287,533.40
  4. Step 4: Simplify right side
    4,127,425.80x = 7,971,297,860,282.58
  5. Step 5: Solve for x
    x = 7,971,297,860,282.58/4,127,425.80
  6. Step 6: Final answer
    x = 1,931,300.10

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1.5x scale

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.