Home / 6,439,899.36-8,887,274.18-3,539,393.04

Finding the Fourth Proportional to 6,439,899.36, 8,887,274.18 and 3,539,393.04

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Solution

The fourth proportional to 6,439,899.36, 8,887,274.18 and 3,539,393.04 is: 4,884,479.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,899.36 : 8,887,274.18 = 3,539,393.04 : x
  2. Step 2: Convert to fraction form
    6,439,899.36/8,887,274.18 = 3,539,393.04/x
  3. Step 3: Cross multiply
    6,439,899.36x = 8,887,274.18 × 3,539,393.04
  4. Step 4: Simplify right side
    6,439,899.36x = 31,455,556,426,075.83
  5. Step 5: Solve for x
    x = 31,455,556,426,075.83/6,439,899.36
  6. Step 6: Final answer
    x = 4,884,479.50

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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.