Home / 6,390,667.80-9,586,001.70-4,962,994.20

Finding the Fourth Proportional to 6,390,667.80, 9,586,001.70 and 4,962,994.20

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Solution

The fourth proportional to 6,390,667.80, 9,586,001.70 and 4,962,994.20 is: 7,444,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,667.80 : 9,586,001.70 = 4,962,994.20 : x
  2. Step 2: Convert to fraction form
    6,390,667.80/9,586,001.70 = 4,962,994.20/x
  3. Step 3: Cross multiply
    6,390,667.80x = 9,586,001.70 × 4,962,994.20
  4. Step 4: Simplify right side
    6,390,667.80x = 47,575,270,838,290.14
  5. Step 5: Solve for x
    x = 47,575,270,838,290.14/6,390,667.80
  6. Step 6: Final answer
    x = 7,444,491.30

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Similar ratio
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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.