Home / 4,709,423.10-7,064,134.65-1,680,209.40

Finding the Fourth Proportional to 4,709,423.10, 7,064,134.65 and 1,680,209.40

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Solution

The fourth proportional to 4,709,423.10, 7,064,134.65 and 1,680,209.40 is: 2,520,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709,423.10 : 7,064,134.65 = 1,680,209.40 : x
  2. Step 2: Convert to fraction form
    4,709,423.10/7,064,134.65 = 1,680,209.40/x
  3. Step 3: Cross multiply
    4,709,423.10x = 7,064,134.65 × 1,680,209.40
  4. Step 4: Simplify right side
    4,709,423.10x = 11,869,225,441,795.71
  5. Step 5: Solve for x
    x = 11,869,225,441,795.71/4,709,423.10
  6. Step 6: Final answer
    x = 2,520,314.10

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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.