Home / 2,905,225.72-4,358,538.90-910,681.72

Finding the Fourth Proportional to 2,905,225.72, 4,358,538.90 and 910,681.72

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Solution

The fourth proportional to 2,905,225.72, 4,358,538.90 and 910,681.72 is: 1,366,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905,225.72 : 4,358,538.90 = 910,681.72 : x
  2. Step 2: Convert to fraction form
    2,905,225.72/4,358,538.90 = 910,681.72/x
  3. Step 3: Cross multiply
    2,905,225.72x = 4,358,538.90 × 910,681.72
  4. Step 4: Simplify right side
    2,905,225.72x = 3,969,241,702,138.91
  5. Step 5: Solve for x
    x = 3,969,241,702,138.91/2,905,225.72
  6. Step 6: Final answer
    x = 1,366,242.10

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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.