Home / 3,645,459.20-4,994,196.16-3,509,158.40

Finding the Fourth Proportional to 3,645,459.20, 4,994,196.16 and 3,509,158.40

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Solution

The fourth proportional to 3,645,459.20, 4,994,196.16 and 3,509,158.40 is: 4,807,467.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645,459.20 : 4,994,196.16 = 3,509,158.40 : x
  2. Step 2: Convert to fraction form
    3,645,459.20/4,994,196.16 = 3,509,158.40/x
  3. Step 3: Cross multiply
    3,645,459.20x = 4,994,196.16 × 3,509,158.40
  4. Step 4: Simplify right side
    3,645,459.20x = 17,525,425,406,111.74
  5. Step 5: Solve for x
    x = 17,525,425,406,111.74/3,645,459.20
  6. Step 6: Final answer
    x = 4,807,467.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.