Home / 3,218,393.80-4,827,590.70-974,643.40

Finding the Fourth Proportional to 3,218,393.80, 4,827,590.70 and 974,643.40

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Solution

The fourth proportional to 3,218,393.80, 4,827,590.70 and 974,643.40 is: 1,461,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,393.80 : 4,827,590.70 = 974,643.40 : x
  2. Step 2: Convert to fraction form
    3,218,393.80/4,827,590.70 = 974,643.40/x
  3. Step 3: Cross multiply
    3,218,393.80x = 4,827,590.70 × 974,643.40
  4. Step 4: Simplify right side
    3,218,393.80x = 4,705,179,413,656.38
  5. Step 5: Solve for x
    x = 4,705,179,413,656.38/3,218,393.80
  6. Step 6: Final answer
    x = 1,461,965.10

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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.