Home / 3,480,030.14-5,219,987.72-1,430,275.32

Finding the Fourth Proportional to 3,480,030.14, 5,219,987.72 and 1,430,275.32

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Solution

The fourth proportional to 3,480,030.14, 5,219,987.72 and 1,430,275.32 is: 2,145,389.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480,030.14 : 5,219,987.72 = 1,430,275.32 : x
  2. Step 2: Convert to fraction form
    3,480,030.14/5,219,987.72 = 1,430,275.32/x
  3. Step 3: Cross multiply
    3,480,030.14x = 5,219,987.72 × 1,430,275.32
  4. Step 4: Simplify right side
    3,480,030.14x = 7,466,019,606,619.07
  5. Step 5: Solve for x
    x = 7,466,019,606,619.07/3,480,030.14
  6. Step 6: Final answer
    x = 2,145,389.35

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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.