Home / 1,559,567.93-2,151,018.69-1,342,138.21

Finding the Fourth Proportional to 1,559,567.93, 2,151,018.69 and 1,342,138.21

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Solution

The fourth proportional to 1,559,567.93, 2,151,018.69 and 1,342,138.21 is: 1,851,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,567.93 : 2,151,018.69 = 1,342,138.21 : x
  2. Step 2: Convert to fraction form
    1,559,567.93/2,151,018.69 = 1,342,138.21/x
  3. Step 3: Cross multiply
    1,559,567.93x = 2,151,018.69 × 1,342,138.21
  4. Step 4: Simplify right side
    1,559,567.93x = 2,886,964,363,862.58
  5. Step 5: Solve for x
    x = 2,886,964,363,862.58/1,559,567.93
  6. Step 6: Final answer
    x = 1,851,130.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.