Home / 4,671,643.80-7,007,465.70-1,642,430.10

Finding the Fourth Proportional to 4,671,643.80, 7,007,465.70 and 1,642,430.10

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Solution

The fourth proportional to 4,671,643.80, 7,007,465.70 and 1,642,430.10 is: 2,463,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671,643.80 : 7,007,465.70 = 1,642,430.10 : x
  2. Step 2: Convert to fraction form
    4,671,643.80/7,007,465.70 = 1,642,430.10/x
  3. Step 3: Cross multiply
    4,671,643.80x = 7,007,465.70 × 1,642,430.10
  4. Step 4: Simplify right side
    4,671,643.80x = 11,509,272,590,397.57
  5. Step 5: Solve for x
    x = 11,509,272,590,397.57/4,671,643.80
  6. Step 6: Final answer
    x = 2,463,645.15

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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.