Home / 1,738,266.90-2,604,289.95-1,421,006.10

Finding the Fourth Proportional to 1,738,266.90, 2,604,289.95 and 1,421,006.10

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Solution

The fourth proportional to 1,738,266.90, 2,604,289.95 and 1,421,006.10 is: 2,128,966.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,266.90 : 2,604,289.95 = 1,421,006.10 : x
  2. Step 2: Convert to fraction form
    1,738,266.90/2,604,289.95 = 1,421,006.10/x
  3. Step 3: Cross multiply
    1,738,266.90x = 2,604,289.95 × 1,421,006.10
  4. Step 4: Simplify right side
    1,738,266.90x = 3,700,711,905,118.70
  5. Step 5: Solve for x
    x = 3,700,711,905,118.70/1,738,266.90
  6. Step 6: Final answer
    x = 2,128,966.45

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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.