Home / 3,038,909.40-4,558,638.69-879,903

Finding the Fourth Proportional to 3,038,909.40, 4,558,638.69 and 879,903

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Solution

The fourth proportional to 3,038,909.40, 4,558,638.69 and 879,903 is: 1,319,934.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038,909.40 : 4,558,638.69 = 879,903 : x
  2. Step 2: Convert to fraction form
    3,038,909.40/4,558,638.69 = 879,903/x
  3. Step 3: Cross multiply
    3,038,909.40x = 4,558,638.69 × 879,903
  4. Step 4: Simplify right side
    3,038,909.40x = 4,011,159,859,247.07
  5. Step 5: Solve for x
    x = 4,011,159,859,247.07/3,038,909.40
  6. Step 6: Final answer
    x = 1,319,934.01

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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.