Home / 4,889,113.80-7,328,421.90-1,855,307.40

Finding the Fourth Proportional to 4,889,113.80, 7,328,421.90 and 1,855,307.40

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Solution

The fourth proportional to 4,889,113.80, 7,328,421.90 and 1,855,307.40 is: 2,780,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889,113.80 : 7,328,421.90 = 1,855,307.40 : x
  2. Step 2: Convert to fraction form
    4,889,113.80/7,328,421.90 = 1,855,307.40/x
  3. Step 3: Cross multiply
    4,889,113.80x = 7,328,421.90 × 1,855,307.40
  4. Step 4: Simplify right side
    4,889,113.80x = 13,596,475,381,392.06
  5. Step 5: Solve for x
    x = 13,596,475,381,392.06/4,889,113.80
  6. Step 6: Final answer
    x = 2,780,969.30

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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.