Home / 6,421,140.48-9,631,886.04-1,872,079.34

Finding the Fourth Proportional to 6,421,140.48, 9,631,886.04 and 1,872,079.34

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Solution

The fourth proportional to 6,421,140.48, 9,631,886.04 and 1,872,079.34 is: 2,808,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,140.48 : 9,631,886.04 = 1,872,079.34 : x
  2. Step 2: Convert to fraction form
    6,421,140.48/9,631,886.04 = 1,872,079.34/x
  3. Step 3: Cross multiply
    6,421,140.48x = 9,631,886.04 × 1,872,079.34
  4. Step 4: Simplify right side
    6,421,140.48x = 18,031,654,812,558.98
  5. Step 5: Solve for x
    x = 18,031,654,812,558.98/6,421,140.48
  6. Step 6: Final answer
    x = 2,808,170.12

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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.