Home / 2,778,870.38-3,834,841.12-1,507,062.38

Finding the Fourth Proportional to 2,778,870.38, 3,834,841.12 and 1,507,062.38

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Solution

The fourth proportional to 2,778,870.38, 3,834,841.12 and 1,507,062.38 is: 2,079,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,870.38 : 3,834,841.12 = 1,507,062.38 : x
  2. Step 2: Convert to fraction form
    2,778,870.38/3,834,841.12 = 1,507,062.38/x
  3. Step 3: Cross multiply
    2,778,870.38x = 3,834,841.12 × 1,507,062.38
  4. Step 4: Simplify right side
    2,778,870.38x = 5,779,344,762,287.20
  5. Step 5: Solve for x
    x = 5,779,344,762,287.20/2,778,870.38
  6. Step 6: Final answer
    x = 2,079,746.08

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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.