Home / 1,738,128.30-2,607,192.45-1,620,030.30

Finding the Fourth Proportional to 1,738,128.30, 2,607,192.45 and 1,620,030.30

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Solution

The fourth proportional to 1,738,128.30, 2,607,192.45 and 1,620,030.30 is: 2,430,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,128.30 : 2,607,192.45 = 1,620,030.30 : x
  2. Step 2: Convert to fraction form
    1,738,128.30/2,607,192.45 = 1,620,030.30/x
  3. Step 3: Cross multiply
    1,738,128.30x = 2,607,192.45 × 1,620,030.30
  4. Step 4: Simplify right side
    1,738,128.30x = 4,223,730,766,931.24
  5. Step 5: Solve for x
    x = 4,223,730,766,931.24/1,738,128.30
  6. Step 6: Final answer
    x = 2,430,045.45

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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.