Home / 2,778,878.25-3,834,851.99-1,507,070.25

Finding the Fourth Proportional to 2,778,878.25, 3,834,851.99 and 1,507,070.25

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Solution

The fourth proportional to 2,778,878.25, 3,834,851.99 and 1,507,070.25 is: 2,079,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,878.25 : 3,834,851.99 = 1,507,070.25 : x
  2. Step 2: Convert to fraction form
    2,778,878.25/3,834,851.99 = 1,507,070.25/x
  3. Step 3: Cross multiply
    2,778,878.25x = 3,834,851.99 × 1,507,070.25
  4. Step 4: Simplify right side
    2,778,878.25x = 5,779,391,339,746.95
  5. Step 5: Solve for x
    x = 5,779,391,339,746.95/2,778,878.25
  6. Step 6: Final answer
    x = 2,079,756.95

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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.