Home / 6,421,498.80-8,862,066.40-3,559,930.80

Finding the Fourth Proportional to 6,421,498.80, 8,862,066.40 and 3,559,930.80

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Solution

The fourth proportional to 6,421,498.80, 8,862,066.40 and 3,559,930.80 is: 4,912,925.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,498.80 : 8,862,066.40 = 3,559,930.80 : x
  2. Step 2: Convert to fraction form
    6,421,498.80/8,862,066.40 = 3,559,930.80/x
  3. Step 3: Cross multiply
    6,421,498.80x = 8,862,066.40 × 3,559,930.80
  4. Step 4: Simplify right side
    6,421,498.80x = 31,548,343,129,005.12
  5. Step 5: Solve for x
    x = 31,548,343,129,005.12/6,421,498.80
  6. Step 6: Final answer
    x = 4,912,925.18

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1.5x scale

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.